c# excel

using System;   
using System.IO;   
using System.Text;   
using System.Data;   
using System.Reflection;   
using System.Diagnostics;   
using System.Collections;   
  
//using cfg = System.Configuration;   
  
namespace GDBI.Common   
{   
    /// <summary>   
    /// 说    明：Excel输出打印模块   
    ///           暂时不提供操作Excel对象样式方法，样式可以在Excel模板中设置好   
    /// 作    者：lingyun_k   
    /// 创建日期：2005－7－12   
    /// </summary>   
    public class ExcelHelper   
    {  
        #region 成员变量   
        private string templetFile = null;   
        private string outputFile = null;   
        private object missing = Missing.Value;   
        private DateTime beforeTime;            //Excel启动之前时间   
        private DateTime afterTime;             //Excel启动之后时间   
        Excel.Application app;   
        Excel.Workbook workBook;   
        Excel.Worksheet workSheet;   
        Excel.Range range;   
        Excel.Range range1;   
        Excel.Range range2;   
        Excel.TextBox textBox;   
        private int sheetCount = 1;         //WorkSheet数量   
        private string sheetPrefixName = "页";     
        #endregion  
 
        #region 公共属性   
        /// <summary>   
        /// WorkSheet前缀名，比如：前缀名为“页”，那么WorkSheet名称依次为“页-1，页-2...”   
        /// </summary>   
        public string SheetPrefixName   
        {   
            set { this.sheetPrefixName = value; }   
        }   
  
        /// <summary>   
        /// WorkSheet数量   
        /// </summary>   
        public int WorkSheetCount   
        {   
            get { return workBook.Sheets.Count; }   
        }   
  
        /// <summary>   
        /// Excel模板文件路径   
        /// </summary>   
        public string TempletFilePath   
        {   
            set { this.templetFile = value; }   
        }   
  
        /// <summary>   
        /// 输出Excel文件路径   
        /// </summary>   
        public string OutputFilePath   
        {   
            set { this.outputFile = value; }   
        }  
        #endregion  
 
        #region 公共方法  
 
        #region ExcelHelper   
        /// <summary>   
        /// 构造函数，将一个已有Excel工作簿作为模板，并指定输出路径   
        /// </summary>   
        /// <param name="templetFilePath">Excel模板文件路径</param>   
        /// <param name="outputFilePath">输出Excel文件路径</param>   
        public ExcelHelper(string templetFilePath,string outputFilePath)   
        {   
            if(templetFilePath == null)   
                throw new Exception("Excel模板文件路径不能为空！");   
  
            if(outputFilePath == null)   
                throw new Exception("输出Excel文件路径不能为空！");   
  
            if(!File.Exists(templetFilePath))   
                throw new Exception("指定路径的Excel模板文件不存在！");   
  
            this.templetFile = templetFilePath;   
            this.outputFile = outputFilePath;   
  
            //创建一个Application对象并使其可见   
            beforeTime = DateTime.Now;   
            app = new Excel.ApplicationClass();   
            app.Visible = true;   
            afterTime = DateTime.Now;   
  
            //打开模板文件，得到WorkBook对象   
            workBook = app.Workbooks.Open(templetFile,missing,missing,missing,missing,missing,   
                missing,missing,missing,missing,missing,missing,missing);   
  
            //得到WorkSheet对象   
            workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(1);   
  
        }   
  
        /// <summary>   
        /// 构造函数，打开一个已有的工作簿   
        /// </summary>   
        /// <param name="fileName">Excel文件名</param>   
        public ExcelHelper(string fileName)   
        {   
            if(!File.Exists(fileName))   
                throw new Exception("指定路径的Excel文件不存在！");   
  
            //创建一个Application对象并使其可见   
            beforeTime = DateTime.Now;   
            app = new Excel.ApplicationClass();   
            app.Visible = true;   
            afterTime = DateTime.Now;   
  
            //打开一个WorkBook   
            workBook = app.Workbooks.Open(fileName,   
                Type.Missing, Type.Missing, Type.Missing, Type.Missing,   
                Type.Missing, Type.Missing, Type.Missing, Type.Missing,   
                Type.Missing, Type.Missing, Type.Missing, Type.Missing);   
  
            //得到WorkSheet对象   
            workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(1);   
  
        }   
  
        /// <summary>   
        /// 构造函数，新建一个工作簿   
        /// </summary>   
        public ExcelHelper()   
        {   
            //创建一个Application对象并使其可见   
            beforeTime = DateTime.Now;   
            app = new Excel.ApplicationClass();   
            app.Visible = true;   
            afterTime = DateTime.Now;   
  
            //新建一个WorkBook   
            workBook = app.Workbooks.Add(Type.Missing);   
  
            //得到WorkSheet对象   
            workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(1);   
  
        }  
        #endregion  
 
        #region Data Export Methods   
  
        /// <summary>   
        /// 将DataTable数据写入Excel文件（自动分页）   
        /// </summary>   
        /// <param name="dt">DataTable</param>   
        /// <param name="rows">每个WorkSheet写入多少行数据</param>   
        /// <param name="top">表格数据起始行索引</param>   
        /// <param name="left">表格数据起始列索引</param>   
        public void DataTableToExcel(DataTable dt,int rows,int top,int left)   
        {   
            int rowCount = dt.Rows.Count;       //DataTable行数   
            int colCount = dt.Columns.Count;    //DataTable列数   
            sheetCount = this.GetSheetCount(rowCount,rows); //WorkSheet个数   
//          StringBuilder sb;   
                   
            //复制sheetCount-1个WorkSheet对象   
            for(int i=1;i<sheetCount;i++)   
            {   
                workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);   
                workSheet.Copy(missing,workBook.Worksheets[i]);   
            }   
           
            for(int i=1;i<=sheetCount;i++)   
            {   
                int startRow = (i - 1) * rows;      //记录起始行索引   
                int endRow = i * rows;          //记录结束行索引   
           
                //若是最后一个WorkSheet，那么记录结束行索引为源DataTable行数   
                if(i == sheetCount)   
                    endRow = rowCount;   
           
                //获取要写入数据的WorkSheet对象，并重命名   
                workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);   
                workSheet.Name = sheetPrefixName + "-" + i.ToString();   
           
                //将dt中的数据写入WorkSheet   
//              for(int j=0;j<endRow-startRow;j++)   
//              {   
//                  for(int k=0;k<colCount;k++)   
//                  {   
//                      workSheet.Cells[top + j,left + k] = dt.Rows[startRow + j][k].ToString();   
//                  }   
//              }   
  
                //利用二维数组批量写入   
                int row = endRow-startRow;   
                string[,] ss = new string[row,colCount];   
  
                for(int j=0;j<row;j++)   
                {   
                    for(int k=0;k<colCount;k++)   
                    {   
                        ss[j,k] = dt.Rows[startRow + j][k].ToString();   
                    }   
                }   
  
                range = (Excel.Range)workSheet.Cells[top,left];   
                range = range.get_Resize(row,colCount);   
                range.Value = ss;  
 
                #region 利用Windwo粘贴板批量拷贝数据（在Web下面行不通）   
                /*sb = new StringBuilder();  
 
                for(int j=0;j<endRow-startRow;j++)  
                {  
                    for(int k=0;k<colCount;k++)  
                    {  
                        sb.Append( dt.Rows[startRow + j][k].ToString() );  
                        sb.Append("\t");  
                    }  
 
                    sb.Append("\n");  
                }  
 
                System.Windows.Forms.Clipboard.SetDataObject(sb.ToString());  
 
                range = (Excel.Range)workSheet.Cells[top,left];  
                workSheet.Paste(range,false);*/ 
                #endregion   
                           
            }   
        }   
  
  
        /// <summary>   
        /// 将DataTable数据写入Excel文件（不分页）   
        /// </summary>   
        /// <param name="dt">DataTable</param>   
        /// <param name="top">表格数据起始行索引</param>   
        /// <param name="left">表格数据起始列索引</param>   
        public void DataTableToExcel(DataTable dt,int top,int left)   
        {   
            int rowCount = dt.Rows.Count;       //DataTable行数   
            int colCount = dt.Columns.Count;    //DataTable列数   
  
            //利用二维数组批量写入   
            string[,] arr = new string[rowCount,colCount];   
  
            for(int j=0;j<rowCount;j++)   
            {   
                for(int k=0;k<colCount;k++)   
                {   
                    arr[j,k] = dt.Rows[j][k].ToString();   
                }   
            }   
  
            range = (Excel.Range)workSheet.Cells[top,left];   
            range = range.get_Resize(rowCount,colCount);   
            range.Value = arr;   
        }   
  
  
        /// <summary>   
        /// 将DataTable数据写入Excel文件（自动分页，并指定要合并的列索引）   
        /// </summary>   
        /// <param name="dt">DataTable</param>   
        /// <param name="rows">每个WorkSheet写入多少行数据</param>   
        /// <param name="top">表格数据起始行索引</param>   
        /// <param name="left">表格数据起始列索引</param>   
        /// <param name="mergeColumnIndex">DataTable中要合并相同行的列索引，从0开始</param>   
        public void DataTableToExcel(DataTable dt,int rows,int top,int left,int mergeColumnIndex)   
        {   
            int rowCount = dt.Rows.Count;       //源DataTable行数   
            int colCount = dt.Columns.Count;    //源DataTable列数   
            sheetCount = this.GetSheetCount(rowCount,rows); //WorkSheet个数   
//          StringBuilder sb;   
                   
            //复制sheetCount-1个WorkSheet对象   
            for(int i=1;i<sheetCount;i++)   
            {   
                workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);   
                workSheet.Copy(missing,workBook.Worksheets[i]);   
            }   
           
            for(int i=1;i<=sheetCount;i++)   
            {   
                int startRow = (i - 1) * rows;      //记录起始行索引   
                int endRow = i * rows;          //记录结束行索引   
           
                //若是最后一个WorkSheet，那么记录结束行索引为源DataTable行数   
                if(i == sheetCount)   
                    endRow = rowCount;   
           
                //获取要写入数据的WorkSheet对象，并重命名   
                workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);   
                workSheet.Name = sheetPrefixName + "-" + i.ToString();   
           
                //将dt中的数据写入WorkSheet   
//              for(int j=0;j<endRow-startRow;j++)   
//              {   
//                  for(int k=0;k<colCount;k++)   
//                  {   
//                      workSheet.Cells[top + j,left + k] = dt.Rows[startRow + j][k].ToString();   
//                  }   
//              }   
  
                //利用二维数组批量写入   
                int row = endRow-startRow;   
                string[,] ss = new string[row,colCount];   
  
                for(int j=0;j<row;j++)   
                {   
                    for(int k=0;k<colCount;k++)   
                    {   
                        ss[j,k] = dt.Rows[startRow + j][k].ToString();   
                    }   
                }   
  
                range = (Excel.Range)workSheet.Cells[top,left];   
                range = range.get_Resize(row,colCount);   
                range.Value = ss;   
  
                //合并相同行   
                this.MergeRows(workSheet,left+mergeColumnIndex,top,rows);   
                           
            }   
        }   
  
  
        /// <summary>   
        /// 将二维数组数据写入Excel文件（自动分页）   
        /// </summary>   
        /// <param name="arr">二维数组</param>   
        /// <param name="rows">每个WorkSheet写入多少行数据</param>   
        /// <param name="top">行索引</param>   
        /// <param name="left">列索引</param>   
        public void ArrayToExcel(string[,] arr,int rows,int top,int left)   
        {   
            int rowCount = arr.GetLength(0);        //二维数组行数（一维长度）   
            int colCount = arr.GetLength(1);    //二维数据列数（二维长度）   
            sheetCount = this.GetSheetCount(rowCount,rows); //WorkSheet个数   
  
            //复制sheetCount-1个WorkSheet对象   
            for(int i=1;i<sheetCount;i++)   
            {   
                workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);   
                workSheet.Copy(missing,workBook.Worksheets[i]);   
            }   
  
            //将二维数组数据写入Excel   
            for(int i=sheetCount;i>=1;i--)   
            {   
                int startRow = (i - 1) * rows;      //记录起始行索引   
                int endRow = i * rows;          //记录结束行索引   
  
                //若是最后一个WorkSheet，那么记录结束行索引为源DataTable行数   
                if(i == sheetCount)   
                    endRow = rowCount;   
  
                //获取要写入数据的WorkSheet对象，并重命名   
                workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);   
                workSheet.Name = sheetPrefixName + "-" + i.ToString();   
  
                //将二维数组中的数据写入WorkSheet   
//              for(int j=0;j<endRow-startRow;j++)   
//              {   
//                  for(int k=0;k<colCount;k++)   
//                  {   
//                      workSheet.Cells[top + j,left + k] = arr[startRow + j,k];   
//                  }   
//              }   
  
                //利用二维数组批量写入   
                int row = endRow-startRow;   
                string[,] ss = new string[row,colCount];   
  
                for(int j=0;j<row;j++)   
                {   
                    for(int k=0;k<colCount;k++)   
                    {   
                        ss[j,k] = arr[startRow + j,k];   
                    }   
                }   
  
                range = (Excel.Range)workSheet.Cells[top,left];   
                range = range.get_Resize(row,colCount);   
                range.Value = ss;   
            }   
               
        }//end ArrayToExcel   
  
  
        /// <summary>   
        /// 将二维数组数据写入Excel文件（不分页）   
        /// </summary>   
        /// <param name="arr">二维数组</param>   
        /// <param name="top">行索引</param>   
        /// <param name="left">列索引</param>   
        public void ArrayToExcel(string[,] arr,int top,int left)   
        {   
            int rowCount = arr.GetLength(0);        //二维数组行数（一维长度）   
            int colCount = arr.GetLength(1);    //二维数据列数（二维长度）   
  
            range = (Excel.Range)workSheet.Cells[top,left];   
            range = range.get_Resize(rowCount,colCount);   
            range.FormulaArray = arr;   
               
        }//end ArrayToExcel   
  
        /// <summary>   
        /// 将二维数组数据写入Excel文件（不分页）   
        /// </summary>   
        /// <param name="arr">二维数组</param>   
        /// <param name="top">行索引</param>   
        /// <param name="left">列索引</param>   
        /// <param name="isFormula">填充的数据是否需要计算</param>   
        public void ArrayToExcel(string[,] arr,int top,int left,bool isFormula)   
        {   
            int rowCount = arr.GetLength(0);        //二维数组行数（一维长度）   
            int colCount = arr.GetLength(1);    //二维数据列数（二维长度）   
  
            range = (Excel.Range)workSheet.Cells[top,left];   
            range = range.get_Resize(rowCount,colCount);   
  
            //注意：使用range.FormulaArray写合并的单元格会出问题   
            if(isFormula)   
                range.FormulaArray = arr;   
            else  
                range.Value = arr;   
               
        }//end ArrayToExcel   
  
        /// <summary>   
        /// 将二维数组数据写入Excel文件（不分页），合并指定列的相同行   
        /// </summary>   
        /// <param name="arr">二维数组</param>   
        /// <param name="top">行索引</param>   
        /// <param name="left">列索引</param>   
        /// <param name="isFormula">填充的数据是否需要计算</param>   
        /// <param name="mergeColumnIndex">需要合并行的列索引</param>   
        public void ArrayToExcel(string[,] arr,int top,int left,bool isFormula,int mergeColumnIndex)   
        {   
            int rowCount = arr.GetLength(0);        //二维数组行数（一维长度）   
            int colCount = arr.GetLength(1);    //二维数据列数（二维长度）   
  
            range = (Excel.Range)workSheet.Cells[top,left];   
            range = range.get_Resize(rowCount,colCount);   
  
            //注意：使用range.FormulaArray写合并的单元格会出问题   
            if(isFormula)   
                range.FormulaArray = arr;   
            else  
                range.Value = arr;   
  
            this.MergeRows(workSheet,mergeColumnIndex,top,rowCount);   
               
        }//end ArrayToExcel   
  
        /// <summary>   
        /// 将二维数组数据写入Excel文件（不分页）   
        /// </summary>   
        /// <param name="sheetIndex">工作表索引</param>   
        /// <param name="arr">二维数组</param>   
        /// <param name="top">行索引</param>   
        /// <param name="left">列索引</param>   
        public void ArrayToExcel(int sheetIndex,string[,] arr,int top,int left)   
        {   
            if(sheetIndex > this.WorkSheetCount)   
            {   
                this.KillExcelProcess();   
                throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");   
            }   
  
            // 改变当前工作表   
            this.workSheet = (Excel.Worksheet)this.workBook.Sheets.get_Item(sheetIndex);   
  
            int rowCount = arr.GetLength(0);        //二维数组行数（一维长度）   
            int colCount = arr.GetLength(1);    //二维数据列数（二维长度）   
  
            range = (Excel.Range)workSheet.Cells[top,left];   
            range = range.get_Resize(rowCount,colCount);   
  
            range.Value2 = arr;   
               
        }//end ArrayToExcel   
  
        /// <summary>   
        /// 将二维数组数据写入Excel文件（自动分页，并指定要合并的列索引）   
        /// </summary>   
        /// <param name="arr">二维数组</param>   
        /// <param name="rows">每个WorkSheet写入多少行数据</param>   
        /// <param name="top">行索引</param>   
        /// <param name="left">列索引</param>   
        /// <param name="mergeColumnIndex">数组的二维索引，相当于DataTable的列索引，索引从0开始</param>   
        public void ArrayToExcel(string[,] arr,int rows,int top,int left,int mergeColumnIndex)   
        {   
            int rowCount = arr.GetLength(0);        //二维数组行数（一维长度）   
            int colCount = arr.GetLength(1);    //二维数据列数（二维长度）   
            sheetCount = this.GetSheetCount(rowCount,rows); //WorkSheet个数   
  
            //复制sheetCount-1个WorkSheet对象   
            for(int i=1;i<sheetCount;i++)   
            {   
                workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);   
                workSheet.Copy(missing,workBook.Worksheets[i]);   
            }   
  
            //将二维数组数据写入Excel   
            for(int i=sheetCount;i>=1;i--)   
            {   
                int startRow = (i - 1) * rows;      //记录起始行索引   
                int endRow = i * rows;          //记录结束行索引   
  
                //若是最后一个WorkSheet，那么记录结束行索引为源DataTable行数   
                if(i == sheetCount)   
                    endRow = rowCount;   
  
                //获取要写入数据的WorkSheet对象，并重命名   
                workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);   
                workSheet.Name = sheetPrefixName + "-" + i.ToString();   
  
                //将二维数组中的数据写入WorkSheet   
                for(int j=0;j<endRow-startRow;j++)   
                {   
                    for(int k=0;k<colCount;k++)   
                    {   
                        workSheet.Cells[top + j,left + k] = arr[startRow + j,k];   
                    }   
                }   
  
                //利用二维数组批量写入   
                int row = endRow-startRow;   
                string[,] ss = new string[row,colCount];   
  
                for(int j=0;j<row;j++)   
                {   
                    for(int k=0;k<colCount;k++)   
                    {   
                        ss[j,k] = arr[startRow + j,k];   
                    }   
                }   
  
                range = (Excel.Range)workSheet.Cells[top,left];   
                range = range.get_Resize(row,colCount);   
                range.Value = ss;   
  
                //合并相同行   
                this.MergeRows(workSheet,left+mergeColumnIndex,top,rows);   
            }   
               
        }//end ArrayToExcel  
        #endregion  
 
        #region WorkSheet Methods   
  
        /// <summary>   
        /// 改变当前工作表   
        /// </summary>   
        /// <param name="sheetIndex">工作表索引</param>   
        public void ChangeCurrentWorkSheet(int sheetIndex)   
        {   
            //若指定工作表索引超出范围，则不改变当前工作表   
            if(sheetIndex < 1)   
                return;   
  
            if(sheetIndex > this.WorkSheetCount)   
                return;   
  
            this.workSheet = (Excel.Worksheet)this.workBook.Sheets.get_Item(sheetIndex);   
        }   
        /// <summary>   
        /// 隐藏指定名称的工作表   
        /// </summary>   
        /// <param name="sheetName">工作表名称</param>   
        public void HiddenWorkSheet(string sheetName)   
        {   
            try  
            {   
                Excel.Worksheet sheet = null;   
  
                for(int i=1;i<=this.WorkSheetCount;i++)   
                {   
                    workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(i);   
                       
                    if(workSheet.Name == sheetName)   
                        sheet = workSheet;   
                }   
  
                if(sheet != null)   
                    sheet.Visible = Excel.XlSheetVisibility.xlSheetHidden;   
                else  
                {   
                    this.KillExcelProcess();   
                    throw new Exception("名称为\"" + sheetName + "\"的工作表不存在");   
                }   
            }   
            catch(Exception e)   
            {   
                this.KillExcelProcess();   
                throw e;   
            }   
        }   
  
        /// <summary>   
        /// 隐藏指定索引的工作表   
        /// </summary>   
        /// <param name="sheetIndex"></param>   
        public void HiddenWorkSheet(int sheetIndex)   
        {   
            if(sheetIndex > this.WorkSheetCount)   
            {   
                this.KillExcelProcess();   
                throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");   
            }   
  
            try  
            {   
                Excel.Worksheet sheet = null;   
                sheet = (Excel.Worksheet)workBook.Sheets.get_Item(sheetIndex);   
  
                sheet.Visible = Excel.XlSheetVisibility.xlSheetHidden;   
            }   
            catch(Exception e)   
            {   
                this.KillExcelProcess();   
                throw e;   
            }   
        }   
  
  
        /// <summary>   
        /// 在指定名称的工作表后面拷贝指定个数的该工作表的副本，并重命名   
        /// </summary>   
        /// <param name="sheetName">工作表名称</param>   
        /// <param name="sheetCount">工作表个数</param>   
        public void CopyWorkSheets(string sheetName,int sheetCount)   
        {   
            try  
            {   
                Excel.Worksheet sheet = null;   
                int sheetIndex = 0;   
  
                for(int i=1;i<=this.WorkSheetCount;i++)   
                {   
                    workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(i);   
                       
                    if(workSheet.Name == sheetName)   
                    {   
                        sheet = workSheet;   
                        sheetIndex = workSheet.Index;   
                    }   
                }   
  
                if(sheet != null)   
                {   
                    for(int i=sheetCount;i>=1;i--)   
                    {   
                        sheet.Copy(this.missing,sheet);   
                    }   
  
                    //重命名   
                    for(int i=sheetIndex;i<=sheetIndex+sheetCount;i++)   
                    {   
                        workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(i);   
                        workSheet.Name = sheetName + "-" + Convert.ToString(i - sheetIndex + 1);   
                    }   
                }   
                else  
                {   
                    this.KillExcelProcess();   
                    throw new Exception("名称为\"" + sheetName + "\"的工作表不存在");   
                }   
            }   
            catch(Exception e)   
            {   
                this.KillExcelProcess();   
                throw e;   
            }   
        }   
  
        /// <summary>   
        /// 将一个工作表拷贝到另一个工作表后面，并重命名   
        /// </summary>   
        /// <param name="srcSheetIndex">拷贝源工作表索引</param>   
        /// <param name="aimSheetIndex">参照位置工作表索引，新工作表拷贝在该工作表后面</param>   
        /// <param name="newSheetName"></param>   
        public void CopyWorkSheet(int srcSheetIndex,int aimSheetIndex,string newSheetName)   
        {   
            if(srcSheetIndex > this.WorkSheetCount || aimSheetIndex > this.WorkSheetCount)   
            {   
                this.KillExcelProcess();   
                throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");   
            }   
  
            try  
            {   
                Excel.Worksheet srcSheet = (Excel.Worksheet)workBook.Sheets.get_Item(srcSheetIndex);   
                Excel.Worksheet aimSheet = (Excel.Worksheet)workBook.Sheets.get_Item(aimSheetIndex);   
                   
                srcSheet.Copy(this.missing,aimSheet);   
                       
                //重命名   
                workSheet = (Excel.Worksheet)aimSheet.Next;     //获取新拷贝的工作表   
                workSheet.Name = newSheetName;   
            }   
            catch(Exception e)   
            {   
                this.KillExcelProcess();   
                throw e;   
            }   
        }   
  
  
        /// <summary>   
        /// 根据名称删除工作表   
        /// </summary>   
        /// <param name="sheetName"></param>   
        public void DeleteWorkSheet(string sheetName)   
        {   
            try  
            {   
                Excel.Worksheet sheet = null;   
  
                //找到名称位sheetName的工作表   
                for(int i=1;i<=this.WorkSheetCount;i++)   
                {   
                    workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(i);   
                       
                    if(workSheet.Name == sheetName)   
                    {   
                        sheet = workSheet;   
                    }   
                }   
  
                if(sheet != null)   
                {   
                    sheet.Delete();   
                }   
                else  
                {   
                    this.KillExcelProcess();   
                    throw new Exception("名称为\"" + sheetName + "\"的工作表不存在");   
                }   
            }   
            catch(Exception e)   
            {   
                this.KillExcelProcess();   
                throw e;   
            }   
        }   
  
        /// <summary>   
        /// 根据索引删除工作表   
        /// </summary>   
        /// <param name="sheetIndex"></param>   
        public void DeleteWorkSheet(int sheetIndex)   
        {   
            if(sheetIndex > this.WorkSheetCount)   
            {   
                this.KillExcelProcess();   
                throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");   
            }   
  
            try  
            {   
                Excel.Worksheet sheet = null;   
                sheet = (Excel.Worksheet)workBook.Sheets.get_Item(sheetIndex);   
  
                sheet.Delete();   
            }   
            catch(Exception e)   
            {   
                this.KillExcelProcess();   
                throw e;   
            }   
        }  
 
        #endregion  
 
        #region TextBox Methods   
        /// <summary>   
        /// 向指定文本框写入数据，对每个WorkSheet操作   
        /// </summary>   
        /// <param name="textboxName">文本框名称</param>   
        /// <param name="text">要写入的文本</param>   
        public void SetTextBox(string textboxName,string text)   
        {   
            for(int i=1;i<=this.WorkSheetCount;i++)   
            {   
                workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);   
  
  
                try  
                {   
                    textBox = (Excel.TextBox)workSheet.TextBoxes(textboxName);   
                    textBox.Text = text;   
                }   
                catch  
                {   
                    this.KillExcelProcess();   
                    throw new Exception("不存在ID为\"" + textboxName + "\"的文本框！");   
                }   
            }   
        }   
  
        /// <summary>   
        /// 向指定文本框写入数据，对指定WorkSheet操作   
        /// </summary>   
        /// <param name="sheetIndex">工作表索引</param>   
        /// <param name="textboxName">文本框名称</param>   
        /// <param name="text">要写入的文本</param>   
        public void SetTextBox(int sheetIndex,string textboxName,string text)   
        {   
            workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex);   
  
            try  
            {   
                textBox = (Excel.TextBox)workSheet.TextBoxes(textboxName);   
                textBox.Text = text;   
            }   
            catch  
            {   
                this.KillExcelProcess();   
                throw new Exception("不存在ID为\"" + textboxName + "\"的文本框！");   
            }   
        }   
  
        /// <summary>   
        /// 向文本框写入数据，对每个WorkSheet操作   
        /// </summary>   
        /// <param name="ht">Hashtable的键值对保存文本框的ID和数据</param>   
        public void SetTextBoxes(Hashtable ht)   
        {   
            if(ht.Count == 0) return;   
  
            for(int i=1;i<=this.WorkSheetCount;i++)   
            {   
                workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);   
  
                foreach(DictionaryEntry dic in ht)   
                {   
                    try  
                    {   
                        textBox = (Excel.TextBox)workSheet.TextBoxes(dic.Key);   
                        textBox.Text = dic.Value.ToString();   
                    }   
                    catch  
                    {   
                        this.KillExcelProcess();   
                        throw new Exception("不存在ID为\"" + dic.Key.ToString() + "\"的文本框！");   
                    }   
                }   
            }   
        }   
  
        /// <summary>   
        /// 向文本框写入数据，对指定WorkSheet操作   
        /// </summary>   
        /// <param name="ht">Hashtable的键值对保存文本框的ID和数据</param>   
        public void SetTextBoxes(int sheetIndex,Hashtable ht)   
        {   
            if(ht.Count == 0) return;   
  
            if(sheetIndex > this.WorkSheetCount)   
            {   
                this.KillExcelProcess();   
                throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");   
            }   
  
            workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex);   
  
            foreach(DictionaryEntry dic in ht)   
            {   
                try  
                {   
                    textBox = (Excel.TextBox)workSheet.TextBoxes(dic.Key);   
                    textBox.Text = dic.Value.ToString();   
                }   
                catch  
                {   
                    this.KillExcelProcess();   
                    throw new Exception("不存在ID为\"" + dic.Key.ToString() + "\"的文本框！");   
                }   
            }   
        }  
        #endregion  
 
        #region Cell Methods   
        /// <summary>   
        /// 向单元格写入数据，对当前WorkSheet操作   
        /// </summary>   
        /// <param name="rowIndex">行索引</param>   
        /// <param name="columnIndex">列索引</param>   
        /// <param name="text">要写入的文本值</param>   
        public void SetCells(int rowIndex,int columnIndex,string text)   
        {   
            try  
            {   
                workSheet.Cells[rowIndex,columnIndex] = text;   
            }   
            catch  
            {   
                this.KillExcelProcess();   
                throw new Exception("向单元格[" + rowIndex + "," + columnIndex + "]写数据出错！");   
            }   
        }   
  
        /// <summary>   
        /// 向单元格写入数据，对指定WorkSheet操作   
        /// </summary>   
        /// <param name="sheetIndex">工作表索引</param>   
        /// <param name="rowIndex">行索引</param>   
        /// <param name="columnIndex">列索引</param>   
        /// <param name="text">要写入的文本值</param>   
        public void SetCells(int sheetIndex,int rowIndex,int columnIndex,string text)   
        {   
            try  
            {   
                this.ChangeCurrentWorkSheet(sheetIndex);    //改变当前工作表为指定工作表   
                workSheet.Cells[rowIndex,columnIndex] = text;   
            }   
            catch  
            {   
                this.KillExcelProcess();   
                throw new Exception("向单元格[" + rowIndex + "," + columnIndex + "]写数据出错！");   
            }   
        }   
  
        /// <summary>   
        /// 向单元格写入数据，对每个WorkSheet操作   
        /// </summary>   
        /// <param name="ht">Hashtable的键值对保存单元格的位置索引（行索引和列索引用“,”隔开）和数据</param>   
        public void SetCells(Hashtable ht)   
        {   
            int rowIndex;   
            int columnIndex;   
            string position;   
  
            if(ht.Count == 0) return;   
  
            for(int i=1;i<=this.WorkSheetCount;i++)   
            {   
                workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);   
  
                foreach(DictionaryEntry dic in ht)   
                {   
                    try  
                    {   
                        position = dic.Key.ToString();   
                        rowIndex = Convert.ToInt32(position.Split(',')[0]);   
                        columnIndex = Convert.ToInt32(position.Split(',')[1]);   
                           
                        workSheet.Cells[rowIndex,columnIndex] = dic.Value;   
                    }   
                    catch  
                    {   
                        this.KillExcelProcess();   
                        throw new Exception("向单元格[" + dic.Key + "]写数据出错！");   
                    }   
                }   
            }   
        }   
  
        /// <summary>   
        /// 向单元格写入数据，对指定WorkSheet操作   
        /// </summary>   
        /// <param name="ht">Hashtable的键值对保存单元格的位置索引（行索引和列索引用“,”隔开）和数据</param>   
        public void SetCells(int sheetIndex,Hashtable ht)   
        {   
            int rowIndex;   
            int columnIndex;   
            string position;   
  
            if(sheetIndex > this.WorkSheetCount)   
            {   
                this.KillExcelProcess();   
                throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");   
            }   
  
            if(ht.Count == 0) return;   
  
            workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex);   
  
            foreach(DictionaryEntry dic in ht)   
            {   
                try  
                {   
                    position = dic.Key.ToString();   
                    rowIndex = Convert.ToInt32(position.Split(',')[0]);   
                    columnIndex = Convert.ToInt32(position.Split(',')[1]);   
                           
                    workSheet.Cells[rowIndex,columnIndex] = dic.Value;   
                }   
                catch  
                {   
                    this.KillExcelProcess();   
                    throw new Exception("向单元格[" + dic.Key + "]写数据出错！");   
                }   
            }   
        }   
  
        /// <summary>   
        /// 设置单元格为可计算的   
        /// </summary>   
        /// <remarks>   
        /// 如果Excel的单元格格式设置为数字，日期或者其他类型时，需要设置这些单元格的FormulaR1C1属性，   
        /// 否则写到这些单元格的数据将不会按照预先设定的格式显示   
        /// </remarks>   
        /// <param name="arr">保存单元格的位置索引（行索引和列索引用“,”隔开）和数据</param>   
        public void SetCells(int sheetIndex,string[] arr)   
        {   
            int rowIndex;   
            int columnIndex;   
            string position;   
  
            if(sheetIndex > this.WorkSheetCount)   
            {   
                this.KillExcelProcess();   
                throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");   
            }   
  
            if(arr.Length == 0) return;   
  
            workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex);   
  
            for(int i=0;i<arr.Length;i++)   
            {   
                try  
                {   
                    position = arr[i];   
                    rowIndex = Convert.ToInt32(position.Split(',')[0]);   
                    columnIndex = Convert.ToInt32(position.Split(',')[1]);   
  
                    Excel.Range cell = (Excel.Range)workSheet.Cells[rowIndex,columnIndex];   
                    cell.FormulaR1C1 = cell.Text;   
                }   
                catch  
                {   
                    this.KillExcelProcess();   
                    throw new Exception(string.Format("计算单元格{0}出错！",arr[i]));   
                }   
            }   
        }   
  
        /// <summary>   
        /// 向单元格写入数据，对指定WorkSheet操作   
        /// </summary>   
        /// <param name="ht">Hashtable的键值对保存单元格的位置索引（行索引和列索引用“,”隔开）和数据</param>   
        public void SetCells(string sheetName,Hashtable ht)   
        {   
            int rowIndex;   
            int columnIndex;   
            string position;   
            Excel.Worksheet sheet = null;   
            int sheetIndex = 0;   
  
            if(ht.Count == 0) return;   
  
            try  
            {   
                for(int i=1;i<=this.WorkSheetCount;i++)   
                {   
                    workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(i);   
                       
                    if(workSheet.Name == sheetName)   
                    {   
                        sheet = workSheet;   
                        sheetIndex = workSheet.Index;   
                    }   
                }   
  
                if(sheet != null)   
                {   
                    foreach(DictionaryEntry dic in ht)   
                    {   
                        try  
                        {   
                            position = dic.Key.ToString();   
                            rowIndex = Convert.ToInt32(position.Split(',')[0]);   
                            columnIndex = Convert.ToInt32(position.Split(',')[1]);   
                           
                            sheet.Cells[rowIndex,columnIndex] = dic.Value;   
                        }   
                        catch  
                        {   
                            this.KillExcelProcess();   
                            throw new Exception("向单元格[" + dic.Key + "]写数据出错！");   
                        }   
                    }   
                }   
                else  
                {   
                    this.KillExcelProcess();   
                    throw new Exception("名称为\"" + sheetName + "\"的工作表不存在");   
                }   
            }   
            catch(Exception e)   
            {   
                this.KillExcelProcess();   
                throw e;   
            }   
        }   
  
  
        /// <summary>   
        /// 合并单元格，并赋值，对每个WorkSheet操作   
        /// </summary>   
        /// <param name="beginRowIndex">开始行索引</param>   
        /// <param name="beginColumnIndex">开始列索引</param>   
        /// <param name="endRowIndex">结束行索引</param>   
        /// <param name="endColumnIndex">结束列索引</param>   
        /// <param name="text">合并后Range的值</param>   
        public void MergeCells(int beginRowIndex,int beginColumnIndex,int endRowIndex,int endColumnIndex,string text)   
        {   
            for(int i=1;i<=this.WorkSheetCount;i++)   
            {   
                workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);   
                range = workSheet.get_Range(workSheet.Cells[beginRowIndex,beginColumnIndex],workSheet.Cells[endRowIndex,endColumnIndex]);   
                   
                range.ClearContents();      //先把Range内容清除，合并才不会出错   
                range.MergeCells = true;   
                range.Value = text;   
                range.HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter;   
                range.VerticalAlignment = Excel.XlVAlign.xlVAlignCenter;   
            }   
        }   
  
        /// <summary>   
        /// 合并单元格，并赋值，对指定WorkSheet操作   
        /// </summary>   
        /// <param name="sheetIndex">WorkSheet索引</param>   
        /// <param name="beginRowIndex">开始行索引</param>   
        /// <param name="beginColumnIndex">开始列索引</param>   
        /// <param name="endRowIndex">结束行索引</param>   
        /// <param name="endColumnIndex">结束列索引</param>   
        /// <param name="text">合并后Range的值</param>   
        public void MergeCells(int sheetIndex,int beginRowIndex,int beginColumnIndex,int endRowIndex,int endColumnIndex,string text)   
        {   
            if(sheetIndex > this.WorkSheetCount)   
            {   
                this.KillExcelProcess();   
                throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");   
            }   
  
            workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex);   
            range = workSheet.get_Range(workSheet.Cells[beginRowIndex,beginColumnIndex],workSheet.Cells[endRowIndex,endColumnIndex]);   
                   
            range.ClearContents();      //先把Range内容清除，合并才不会出错   
            range.MergeCells = true;   
            range.Value = text;   
            range.HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter;   
            range.VerticalAlignment = Excel.XlVAlign.xlVAlignCenter;   
        }  
        #endregion  
 
        #region Row Methods   
        /// <summary>   
        /// 将指定索引列的数据相同的行合并，对每个WorkSheet操作   
        /// </summary>   
        /// <param name="columnIndex">列索引</param>   
        /// <param name="beginRowIndex">开始行索引</param>   
        /// <param name="endRowIndex">结束行索引</param>   
        public void MergeRows(int columnIndex,int beginRowIndex,int endRowIndex)   
        {   
            if(endRowIndex - beginRowIndex < 1)   
                return;   
  
            for(int i=1;i<=this.WorkSheetCount;i++)   
            {   
                int beginIndex = beginRowIndex;   
                int count = 0;   
                string text1;   
                string text2;   
                workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);   
  
                for(int j=beginRowIndex;j<=endRowIndex;j++)   
                {   
                    range = (Excel.Range)workSheet.Cells[j,columnIndex];   
                    text1 = range.Text.ToString();   
  
                    range = (Excel.Range)workSheet.Cells[j+1,columnIndex];   
                    text2 = range.Text.ToString();   
  
                    if(text1 == text2)   
                    {   
                        ++count;   
                    }   
                    else  
                    {                  
                        if(count > 0)   
                        {   
                            this.MergeCells(workSheet,beginIndex,columnIndex,beginIndex+count,columnIndex,text1);   
                        }   
  
                        beginIndex = j + 1;     //设置开始合并行索引   
                        count = 0;      //计数器清0   
                    }   
  
                }   
  
            }   
        }   
  
  
        /// <summary>   
        /// 将指定索引列的数据相同的行合并，对指定WorkSheet操作   
        /// </summary>   
        /// <param name="sheetIndex">WorkSheet索引</param>   
        /// <param name="columnIndex">列索引</param>   
        /// <param name="beginRowIndex">开始行索引</param>   
        /// <param name="endRowIndex">结束行索引</param>   
        public void MergeRows(int sheetIndex,int columnIndex,int beginRowIndex,int endRowIndex)   
        {   
            if(sheetIndex > this.WorkSheetCount)   
            {   
                this.KillExcelProcess();   
                throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");   
            }   
  
            if(endRowIndex - beginRowIndex < 1)   
                return;   
  
            int beginIndex = beginRowIndex;   
            int count = 0;   
            string text1;   
            string text2;   
            workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex);   
  
            for(int j=beginRowIndex;j<=endRowIndex;j++)   
            {   
                range = (Excel.Range)workSheet.Cells[j,columnIndex];   
                text1 = range.Text.ToString();   
  
                range = (Excel.Range)workSheet.Cells[j+1,columnIndex];   
                text2 = range.Text.ToString();   
  
                if(text1 == text2)   
                {   
                    ++count;   
                }   
                else  
                {                  
                    if(count > 0)   
                    {   
                        this.MergeCells(workSheet,beginIndex,columnIndex,beginIndex+count,columnIndex,text1);   
                    }   
  
                    beginIndex = j + 1;     //设置开始合并行索引   
                    count = 0;      //计数器清0   
                }   
  
            }   
  
        }   
  
  
        /// <summary>   
        /// 插行（在指定行上面插入指定数量行）   
        /// </summary>   
        /// <param name="rowIndex"></param>   
        /// <param name="count"></param>   
        public void InsertRows(int rowIndex,int count)   
        {   
            try  
            {   
                for(int n=1;n<=this.WorkSheetCount;n++)   
                {   
                    workSheet = (Excel.Worksheet)workBook.Worksheets[n];   
                    range = (Excel.Range)workSheet.Rows[rowIndex,this.missing];   
  
                    for(int i=0;i<count;i++)   
                    {   
                        range.Insert(Excel.XlDirection.xlDown);   
                    }   
                }   
            }   
            catch(Exception e)   
            {   
                this.KillExcelProcess();   
                throw e;   
            }   
        }   
  
        /// <summary>   
        /// 插行（在指定WorkSheet指定行上面插入指定数量行）   
        /// </summary>   
        /// <param name="sheetIndex"></param>   
        /// <param name="rowIndex"></param>   
        /// <param name="count"></param>   
        public void InsertRows(int sheetIndex,int rowIndex,int count)   
        {   
            if(sheetIndex > this.WorkSheetCount)   
            {   
                this.KillExcelProcess();   
                throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");   
            }   
  
            try  
            {   
                workSheet = (Excel.Worksheet)workBook.Worksheets[sheetIndex];   
                range = (Excel.Range)workSheet.Rows[rowIndex,this.missing];   
  
                for(int i=0;i<count;i++)   
                {   
                    range.Insert(Excel.XlDirection.xlDown);   
                }   
            }   
            catch(Exception e)   
            {   
                this.KillExcelProcess();   
                throw e;   
            }   
        }   
  
        /// <summary>   
        /// 复制行（在指定行下面复制指定数量行）   
        /// </summary>   
        /// <param name="rowIndex"></param>   
        /// <param name="count"></param>   
        public void CopyRows(int rowIndex,int count)   
        {   
            try  
            {   
                for(int n=1;n<=this.WorkSheetCount;n++)   
                {   
                    workSheet = (Excel.Worksheet)workBook.Worksheets[n];   
                    range1 = (Excel.Range)workSheet.Rows[rowIndex,this.missing];   
  
                    for(int i=1;i<=count;i++)   
                    {   
                        range2 = (Excel.Range)workSheet.Rows[rowIndex + i,this.missing];   
                        range1.Copy(range2);   
                    }   
                }   
            }   
            catch(Exception e)   
            {   
                this.KillExcelProcess();   
                throw e;   
            }   
        }   
  
        /// <summary>   
        /// 复制行（在指定WorkSheet指定行下面复制指定数量行）   
        /// </summary>   
        /// <param name="sheetIndex"></param>   
        /// <param name="rowIndex"></param>   
        /// <param name="count"></param>   
        public void CopyRows(int sheetIndex,int rowIndex,int count)   
        {   
            if(sheetIndex > this.WorkSheetCount)   
            {   
                this.KillExcelProcess();   
                throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");   
            }   
  
            try  
            {   
                workSheet = (Excel.Worksheet)workBook.Worksheets[sheetIndex];   
                range1 = (Excel.Range)workSheet.Rows[rowIndex,this.missing];   
  
                for(int i=1;i<=count;i++)   
                {   
                    range2 = (Excel.Range)workSheet.Rows[rowIndex + i,this.missing];   
                    range1.Copy(range2);   
                }   
            }   
            catch(Exception e)   
            {   
                this.KillExcelProcess();   
                throw e;   
            }   
        }   
  
        /// <summary>   
        /// 删除行   
        /// </summary>   
        /// <param name="rowIndex"></param>   
        /// <param name="count"></param>   
        public void DeleteRows(int rowIndex,int count)   
        {   
            try  
            {   
                for(int n=1;n<=this.WorkSheetCount;n++)   
                {   
                    workSheet = (Excel.Worksheet)workBook.Worksheets[n];   
                    range = (Excel.Range)workSheet.Rows[rowIndex,this.missing];   
  
                    for(int i=0;i<count;i++)   
                    {   
                        range.Delete(Excel.XlDirection.xlDown);   
                    }   
                }   
            }   
            catch(Exception e)   
            {   
                this.KillExcelProcess();   
                throw e;   
            }   
        }   
  
        /// <summary>   
        /// 删除行   
        /// </summary>   
        /// <param name="sheetIndex"></param>   
        /// <param name="rowIndex"></param>   
        /// <param name="count"></param>   
        public void DeleteRows(int sheetIndex,int rowIndex,int count)   
        {   
            if(sheetIndex > this.WorkSheetCount)   
            {   
                this.KillExcelProcess();   
                throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");   
            }   
  
            try  
            {   
                workSheet = (Excel.Worksheet)workBook.Worksheets[sheetIndex];   
                range = (Excel.Range)workSheet.Rows[rowIndex,this.missing];   
  
                for(int i=0;i<count;i++)   
                {   
                    range.Delete(Excel.XlDirection.xlDown);   
                }   
            }   
            catch(Exception e)   
            {   
                this.KillExcelProcess();   
                throw e;   
            }   
        }  
 
        #endregion  
 
        #region Column Methods   
  
        /// <summary>   
        /// 插列（在指定列右边插入指定数量列）   
        /// </summary>   
        /// <param name="columnIndex"></param>   
        /// <param name="count"></param>   
        public void InsertColumns(int columnIndex,int count)   
        {   
            try  
            {   
                for(int n=1;n<=this.WorkSheetCount;n++)   
                {   
                    workSheet = (Excel.Worksheet)workBook.Worksheets[n];   
                    range = (Excel.Range)workSheet.Columns[this.missing,columnIndex];   
  
                    for(int i=0;i<count;i++)   
                    {   
                        range.Insert(Excel.XlDirection.xlDown);   
                    }   
                }   
            }   
            catch(Exception e)   
            {   
                this.KillExcelProcess();   
                throw e;   
            }   
        }   
  
        /// <summary>   
        /// 插列（在指定WorkSheet指定列右边插入指定数量列）   
        /// </summary>   
        /// <param name="sheetIndex"></param>   
        /// <param name="columnIndex"></param>   
        /// <param name="count"></param>   
        public void InsertColumns(int sheetIndex,int columnIndex,int count)   
        {   
            if(sheetIndex > this.WorkSheetCount)   
            {   
                this.KillExcelProcess();   
                throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");   
            }   
  
            try  
            {   
                workSheet = (Excel.Worksheet)workBook.Worksheets[sheetIndex];   
                range = (Excel.Range)workSheet.Columns[this.missing,columnIndex];   
  
                for(int i=0;i<count;i++)   
                {   
                    range.Insert(Excel.XlDirection.xlDown);   
                }   
            }   
            catch(Exception e)   
            {   
                this.KillExcelProcess();   
                throw e;   
            }   
        }   
  
        /// <summary>   
        /// 复制列（在指定列右边复制指定数量列）   
        /// </summary>   
        /// <param name="columnIndex"></param>   
        /// <param name="count"></param>   
        public void CopyColumns(int columnIndex,int count)   
        {   
            try  
            {   
                for(int n=1;n<=this.WorkSheetCount;n++)   
                {   
                    workSheet = (Excel.Worksheet)workBook.Worksheets[n];   
//                  range1 = (Excel.Range)workSheet.Columns[columnIndex,this.missing];   
                    range1 = (Excel.Range)workSheet.get_Range(this.IntToLetter(columnIndex)+"1",this.IntToLetter(columnIndex)+"10000");   
  
                    for(int i=1;i<=count;i++)   
                    {   
//                      range2 = (Excel.Range)workSheet.Columns[this.missing,columnIndex + i];   
                        range2 = (Excel.Range)workSheet.get_Range(this.IntToLetter(columnIndex+i)+"1",this.IntToLetter(columnIndex+i)+"10000");   
                        range1.Copy(range2);   
                    }   
                }   
            }   
            catch(Exception e)   
            {   
                this.KillExcelProcess();   
                throw e;   
            }   
        }   
  
        /// <summary>   
        /// 复制列（在指定WorkSheet指定列右边复制指定数量列）   
        /// </summary>   
        /// <param name="sheetIndex"></param>   
        /// <param name="columnIndex"></param>   
        /// <param name="count"></param>   
        public void CopyColumns(int sheetIndex,int columnIndex,int count)   
        {   
            if(sheetIndex > this.WorkSheetCount)   
            {   
                this.KillExcelProcess();   
                throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");   
            }   
  
            try  
            {   
                workSheet = (Excel.Worksheet)workBook.Worksheets[sheetIndex];   
//              range1 = (Excel.Range)workSheet.Columns[Type.Missing,columnIndex];   
                range1 = (Excel.Range)workSheet.get_Range(this.IntToLetter(columnIndex)+"1",this.IntToLetter(columnIndex)+"10000");   
  
                for(int i=1;i<=count;i++)   
                {   
//                  range2 = (Excel.Range)workSheet.Columns[Type.Missing,columnIndex + i];   
                    range2 = (Excel.Range)workSheet.get_Range(this.IntToLetter(columnIndex+i)+"1",this.IntToLetter(columnIndex+i)+"10000");   
                    range1.Copy(range2);   
                }   
            }   
            catch(Exception e)   
            {   
                this.KillExcelProcess();   
                throw e;   
            }   
        }   
  
        /// <summary>   
        /// 删除列   
        /// </summary>   
        /// <param name="columnIndex"></param>   
        /// <param name="count"></param>   
        public void DeleteColumns(int columnIndex,int count)   
        {   
            try  
            {   
                for(int n=1;n<=this.WorkSheetCount;n++)   
                {   
                    workSheet = (Excel.Worksheet)workBook.Worksheets[n];   
                    range = (Excel.Range)workSheet.Columns[this.missing,columnIndex];   
  
                    for(int i=0;i<count;i++)   
                    {   
                        range.Delete(Excel.XlDirection.xlDown);   
                    }   
                }   
            }   
            catch(Exception e)   
            {   
                this.KillExcelProcess();   
                throw e;   
            }   
        }   
  
        /// <summary>   
        /// 删除列   
        /// </summary>   
        /// <param name="sheetIndex"></param>   
        /// <param name="columnIndex"></param>   
        /// <param name="count"></param>   
        public void DeleteColumns(int sheetIndex,int columnIndex,int count)   
        {   
            if(sheetIndex > this.WorkSheetCount)   
            {   
                this.KillExcelProcess();   
                throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");   
            }   
  
            try  
            {   
                workSheet = (Excel.Worksheet)workBook.Worksheets[sheetIndex];   
                range = (Excel.Range)workSheet.Columns[this.missing,columnIndex];   
  
                for(int i=0;i<count;i++)   
                {   
                    range.Delete(Excel.XlDirection.xlDown);   
                }   
            }   
            catch(Exception e)   
            {   
                this.KillExcelProcess();   
                throw e;   
            }   
        }  
 
        #endregion  
 
        #region Range Methods   
  
        /// <summary>   
        /// 将指定范围区域拷贝到目标区域   
        /// </summary>   
        /// <param name="sheetIndex">WorkSheet索引</param>   
        /// <param name="startCell">要拷贝区域的开始Cell位置（比如：A10）</param>   
        /// <param name="endCell">要拷贝区域的结束Cell位置（比如：F20）</param>   
        /// <param name="targetCell">目标区域的开始Cell位置（比如：H10）</param>   
        public void RangeCopy(int sheetIndex,string startCell,string endCell,string targetCell)   
        {   
            if(sheetIndex > this.WorkSheetCount)   
            {   
                this.KillExcelProcess();   
                throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");   
            }   
  
            try  
            {   
                workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex);   
                range1 = workSheet.get_Range(startCell,endCell);   
                range2 = workSheet.get_Range(targetCell,this.missing);   
  
                range1.Copy(range2);   
            }   
            catch(Exception e)   
            {   
                this.KillExcelProcess();   
                throw e;   
            }   
        }   
  
        /// <summary>   
        /// 将指定范围区域拷贝到目标区域   
        /// </summary>   
        /// <param name="sheetName">WorkSheet名称</param>   
        /// <param name="startCell">要拷贝区域的开始Cell位置（比如：A10）</param>   
        /// <param name="endCell">要拷贝区域的结束Cell位置（比如：F20）</param>   
        /// <param name="targetCell">目标区域的开始Cell位置（比如：H10）</param>   
        public void RangeCopy(string sheetName,string startCell,string endCell,string targetCell)   
        {   
            try  
            {   
                Excel.Worksheet sheet = null;   
  
                for(int i=1;i<=this.WorkSheetCount;i++)   
                {   
                    workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(i);   
                       
                    if(workSheet.Name == sheetName)   
                    {   
                        sheet = workSheet;   
                    }   
                }   
  
                if(sheet != null)   
                {   
                    for(int i=sheetCount;i>=1;i--)   
                    {   
                        range1 = sheet.get_Range(startCell,endCell);   
                        range2 = sheet.get_Range(targetCell,this.missing);   
  
                        range1.Copy(range2);   
                    }   
                }   
                else  
                {   
                    this.KillExcelProcess();   
                    throw new Exception("名称为\"" + sheetName + "\"的工作表不存在");   
                }   
            }   
            catch(Exception e)   
            {   
                this.KillExcelProcess();   
                throw e;   
            }   
        }   
  
        /// <summary>   
        /// 自动填充   
        /// </summary>   
        public void RangAutoFill()   
        {   
            Excel.Range rng = workSheet.get_Range("B4", Type.Missing);    
            rng.Value2 = "星期一 ";   
            rng.AutoFill(workSheet.get_Range("B4","B9"),   
                Excel.XlAutoFillType.xlFillWeekdays);    
  
            rng = workSheet.get_Range("C4", Type.Missing);    
            rng.Value = "一月";   
            rng.AutoFill(workSheet.get_Range("C4","C9"),   
                Excel.XlAutoFillType.xlFillMonths);    
  
            rng = workSheet.get_Range("D4",Type.Missing);   
            rng.Value2 = "1";   
            rng.AutoFill(workSheet.get_Range("D4","D9"),    
                Excel.XlAutoFillType.xlFillSeries);   
  
            rng = workSheet.get_Range("E4",Type.Missing);    
            rng.Value2 = "3";   
            rng = workSheet.get_Range("E5",Type.Missing);   
            rng.Value2 = "6";   
            rng = workSheet.get_Range("E4","E5");   
            rng.AutoFill(workSheet.get_Range("E4","E9"),    
                Excel.XlAutoFillType.xlFillSeries);   
  
        }   
  
        /// <summary>   
        /// 应用样式   
        /// </summary>   
        public void ApplyStyle()   
        {   
            object missingValue = Type.Missing;   
            Excel.Range rng = workSheet.get_Range("B3","L23");   
            Excel.Style style;   
  
            try  
            {   
                style = workBook.Styles["NewStyle"];   
            }   
                // Style doesn't exist yet.   
            catch  
            {   
                style = workBook.Styles.Add("NewStyle", missingValue);   
                style.Font.Name = "Verdana";   
                style.Font.Size = 12;   
                style.Font.Color = 255;   
                style.Interior.Color = (200 << 16) | (200 << 8) | 200;   
                style.Interior.Pattern = Excel.XlPattern.xlPatternSolid;   
            }   
  
            rng.Value2 = "'Style Test";   
            rng.Style = "NewStyle";   
            rng.Columns.AutoFit();   
        }  
 
        #endregion  
 
        #region ExcelHelper Kit   
        /// <summary>   
        /// 将Excel列的字母索引值转换成整数索引值   
        /// </summary>   
        /// <param name="letter"></param>   
        /// <returns></returns>   
        public int LetterToInt(string letter)   
        {   
            int n = 0;   
               
            if(letter.Trim().Length == 0)   
                throw new Exception("不接受空字符串！");   
  
            if(letter.Length >= 2)   
            {   
                char c1 = letter.ToCharArray(0,2)[0];   
                char c2 = letter.ToCharArray(0,2)[1];   
  
                if(!char.IsLetter(c1) || !char.IsLetter(c2))   
                {   
                    throw new Exception("格式不正确，必须是字母！");   
                }   
  
                c1 = char.ToUpper(c1);   
                c2 = char.ToUpper(c2);   
  
                int i = Convert.ToInt32(c1) - 64;   
                int j = Convert.ToInt32(c2) - 64;   
  
                n = i * 26 + j;   
            }   
               
            if(letter.Length == 1)   
            {   
                char c1 = letter.ToCharArray()[0];   
  
                if(!char.IsLetter(c1))   
                {   
                    throw new Exception("格式不正确，必须是字母！");   
                }   
  
                c1 = char.ToUpper(c1);   
  
                n = Convert.ToInt32(c1) - 64;   
            }   
  
            if(n > 256)   
                throw new Exception("索引超出范围，Excel的列索引不能超过256！");   
               
            return n;   
        }   
  
        /// <summary>   
        /// 将Excel列的整数索引值转换为字符索引值   
        /// </summary>   
        /// <param name="n"></param>   
        /// <returns></returns>   
        public string IntToLetter(int n)   
        {   
            if(n > 256)   
                throw new Exception("索引超出范围，Excel的列索引不能超过256！");   
                   
            int i = Convert.ToInt32(n / 26);   
            int j = n % 26;   
  
            char c1 = Convert.ToChar( i + 64 );   
            char c2 = Convert.ToChar( j + 64 );   
  
            if(n > 26)   
                return c1.ToString() + c2.ToString();   
            else if(n == 26)   
                return "Z";   
            else  
                return c2.ToString();   
        }  
 
        #endregion  
 
        #region Output File(注意：如果目标文件已存在的话会出错)   
        /// <summary>   
        /// 输出Excel文件并退出   
        /// </summary>   
        public void OutputExcelFile()   
        {   
            if(this.outputFile == null)   
                throw new Exception("没有指定输出文件路径！");   
  
            try  
            {   
                workBook.SaveAs(outputFile,missing,missing,missing,missing,missing,Excel.XlSaveAsAccessMode.xlExclusive,missing,missing,missing,missing);              
            }   
            catch(Exception e)   
            {   
                throw e;   
            }   
            finally  
            {   
                this.Dispose();   
            }   
        }   
  
        /// <summary>   
        /// 输出指定格式的文件（支持格式：HTML，CSV，TEXT，EXCEL）   
        /// </summary>   
        /// <param name="format">HTML，CSV，TEXT，EXCEL，XML</param>   
        public void OutputFile(string format)   
        {   
            if(this.outputFile == null)   
                throw new Exception("没有指定输出文件路径！");   
  
            try  
            {   
                switch(format)   
                {   
                    case "HTML":   
                    {   
                        workBook.SaveAs(outputFile,Excel.XlFileFormat.xlHtml,missing,missing,missing,missing,Excel.XlSaveAsAccessMode.xlExclusive,missing,missing,missing,missing);            
                        break;   
                    }   
                    case "CSV":   
                    {   
                        workBook.SaveAs(outputFile,Excel.XlFileFormat.xlCSV,missing,missing,missing,missing,Excel.XlSaveAsAccessMode.xlExclusive,missing,missing,missing,missing);             
                        break;   
                    }   
                    case "TEXT":   
                    {   
                        workBook.SaveAs(outputFile,Excel.XlFileFormat.xlHtml,missing,missing,missing,missing,Excel.XlSaveAsAccessMode.xlExclusive,missing,missing,missing,missing);            
                        break;   
                    }   
//                  case "XML":   
//                  {   
//                      workBook.SaveAs(outputFile,Excel.XlFileFormat.xlXMLSpreadsheet, Type.Missing, Type.Missing,   
//                          Type.Missing, Type.Missing, Excel.XlSaveAsAccessMode.xlNoChange,   
//                          Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing);   
//                      break;   
//   
//                  }   
                    default:   
                    {   
                        workBook.SaveAs(outputFile,missing,missing,missing,missing,missing,Excel.XlSaveAsAccessMode.xlExclusive,missing,missing,missing,missing);              
                        break;   
                    }   
                }   
            }   
            catch(Exception e)   
            {   
                throw e;   
            }   
            finally  
            {   
                this.Dispose();   
            }   
        }   
  
        /// <summary>   
        /// 保存文件   
        /// </summary>   
        public void SaveFile()   
        {   
            try  
            {   
                workBook.Save();               
            }   
            catch(Exception e)   
            {   
                throw e;   
            }   
            finally  
            {   
                this.Dispose();   
            }   
        }   
  
        /// <summary>   
        /// 另存文件   
        /// </summary>   
        public void SaveAsFile()   
        {   
            if(this.outputFile == null)   
                throw new Exception("没有指定输出文件路径！");   
  
            try  
            {   
                workBook.SaveAs(outputFile,missing,missing,missing,missing,missing,Excel.XlSaveAsAccessMode.xlExclusive,missing,missing,missing,missing);              
            }   
            catch(Exception e)   
            {   
                throw e;   
            }   
            finally  
            {   
                this.Dispose();   
            }   
        }   
  
        /// <summary>   
        /// 将Excel文件另存为指定格式   
        /// </summary>   
        /// <param name="format">HTML，CSV，TEXT，EXCEL，XML</param>   
        public void SaveAsFile(string format)   
        {   
            if(this.outputFile == null)   
                throw new Exception("没有指定输出文件路径！");   
  
            try  
            {   
                switch(format)   
                {   
                    case "HTML":   
                    {   
                        workBook.SaveAs(outputFile,Excel.XlFileFormat.xlHtml,missing,missing,missing,missing,Excel.XlSaveAsAccessMode.xlExclusive,missing,missing,missing,missing);            
                        break;   
                    }   
                    case "CSV":   
                    {   
                        workBook.SaveAs(outputFile,Excel.XlFileFormat.xlCSV,missing,missing,missing,missing,Excel.XlSaveAsAccessMode.xlExclusive,missing,missing,missing,missing);             
                        break;   
                    }   
                    case "TEXT":   
                    {   
                        workBook.SaveAs(outputFile,Excel.XlFileFormat.xlHtml,missing,missing,missing,missing,Excel.XlSaveAsAccessMode.xlExclusive,missing,missing,missing,missing);            
                        break;   
                    }   
//                  case "XML":   
//                  {   
//                      workBook.SaveAs(outputFile,Excel.XlFileFormat.xlXMLSpreadsheet, Type.Missing, Type.Missing,   
//                          Type.Missing, Type.Missing, Excel.XlSaveAsAccessMode.xlNoChange,   
//                          Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing);   
//                      break;   
//                  }   
                    default:   
                    {   
                        workBook.SaveAs(outputFile,missing,missing,missing,missing,missing,Excel.XlSaveAsAccessMode.xlExclusive,missing,missing,missing,missing);              
                        break;   
                    }   
                }   
            }   
            catch(Exception e)   
            {   
                throw e;   
            }   
            finally  
            {   
                this.Dispose();   
            }   
        }   
  
        /// <summary>   
        /// 另存文件   
        /// </summary>   
        /// <param name="fileName">文件名</param>   
        public void SaveFile(string fileName)   
        {   
            try  
            {   
                workBook.SaveAs(fileName,missing,missing,missing,missing,missing,Excel.XlSaveAsAccessMode.xlExclusive,missing,missing,missing,missing);            
            }   
            catch(Exception e)   
            {   
                throw e;   
            }   
            finally  
            {   
                this.Dispose();   
            }   
        }   
  
        /// <summary>   
        /// 将Excel文件另存为指定格式   
        /// </summary>   
        /// <param name="fileName">文件名</param>   
        /// <param name="format">HTML，CSV，TEXT，EXCEL，XML</param>   
        public void SaveAsFile(string fileName,string format)   
        {   
            try  
            {   
                switch(format)   
                {   
                    case "HTML":   
                    {   
                        workBook.SaveAs(fileName,Excel.XlFileFormat.xlHtml,missing,missing,missing,missing,Excel.XlSaveAsAccessMode.xlExclusive,missing,missing,missing,missing);              
                        break;   
                    }   
                    case "CSV":   
                    {   
                        workBook.SaveAs(fileName,Excel.XlFileFormat.xlCSV,missing,missing,missing,missing,Excel.XlSaveAsAccessMode.xlExclusive,missing,missing,missing,missing);               
                        break;   
                    }   
                    case "TEXT":   
                    {   
                        workBook.SaveAs(fileName,Excel.XlFileFormat.xlHtml,missing,missing,missing,missing,Excel.XlSaveAsAccessMode.xlExclusive,missing,missing,missing,missing);              
                        break;   
                    }   
//                  case "XML":   
//                  {   
//                      workBook.SaveAs(fileName,Excel.XlFileFormat.xlXMLSpreadsheet, Type.Missing, Type.Missing,   
//                          Type.Missing, Type.Missing, Excel.XlSaveAsAccessMode.xlNoChange,   
//                          Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing);   
//                      break;   
//                  }   
                    default:   
                    {   
                        workBook.SaveAs(fileName,missing,missing,missing,missing,missing,Excel.XlSaveAsAccessMode.xlExclusive,missing,missing,missing,missing);            
                        break;   
                    }   
                }   
            }   
            catch(Exception e)   
            {   
                throw e;   
            }   
            finally  
            {   
                this.Dispose();   
            }   
        }  
        #endregion  
 
        #endregion  
 
        #region 私有方法   
  
        /// <summary>   
        /// 合并单元格，并赋值，对指定WorkSheet操作   
        /// </summary>   
        /// <param name="beginRowIndex">开始行索引</param>   
        /// <param name="beginColumnIndex">开始列索引</param>   
        /// <param name="endRowIndex">结束行索引</param>   
        /// <param name="endColumnIndex">结束列索引</param>   
        /// <param name="text">合并后Range的值</param>   
        private void MergeCells(Excel.Worksheet sheet,int beginRowIndex,int beginColumnIndex,int endRowIndex,int endColumnIndex,string text)   
        {   
            if(sheet == null)   
                return;   
  
            range = sheet.get_Range(sheet.Cells[beginRowIndex,beginColumnIndex],sheet.Cells[endRowIndex,endColumnIndex]);   
                   
            range.ClearContents();      //先把Range内容清除，合并才不会出错   
            range.MergeCells = true;   
            range.Value = text;   
            range.HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter;   
            range.VerticalAlignment = Excel.XlVAlign.xlVAlignCenter;   
        }   
  
        /// <summary>   
        /// 将指定索引列的数据相同的行合并，对指定WorkSheet操作   
        /// </summary>   
        /// <param name="columnIndex">要合并的列索引</param>   
        /// <param name="beginRowIndex">合并开始行索引</param>   
        /// <param name="rows">要合并的行数</param>   
        private void MergeRows(Excel.Worksheet sheet,int columnIndex,int beginRowIndex,int rows)   
        {   
            int beginIndex = beginRowIndex;   
            int count = 0;   
            string text1;   
            string text2;   
  
            if(sheet == null)   
                return;   
  
            for(int j=beginRowIndex;j<beginRowIndex+rows;j++)   
            {   
                range1 = (Excel.Range)sheet.Cells[j,columnIndex];   
                range2 = (Excel.Range)sheet.Cells[j+1,columnIndex];   
                text1 = range1.Text.ToString();   
                text2 = range2.Text.ToString();   
  
                if(text1 == text2)   
                {   
                    ++count;   
                }   
                else  
                {                  
                    if(count > 0)   
                    {   
                        this.MergeCells(sheet,beginIndex,columnIndex,beginIndex+count,columnIndex,text1);   
                    }   
  
                    beginIndex = j + 1;     //设置开始合并行索引   
                    count = 0;      //计数器清0   
                }   
  
            }   
  
        }   
  
  
        /// <summary>   
        /// 计算WorkSheet数量   
        /// </summary>   
        /// <param name="rowCount">记录总行数</param>   
        /// <param name="rows">每WorkSheet行数</param>   
        public int GetSheetCount(int rowCount,int rows)   
        {   
            int n = rowCount % rows;        //余数   
  
            if(n == 0)   
                return rowCount / rows;   
            else  
                return Convert.ToInt32(rowCount / rows) + 1;   
        }   
           
        /// <summary>   
        /// 结束Excel进程   
        /// </summary>   
        public void KillExcelProcess()   
        {   
            Process[] myProcesses;   
            DateTime startTime;   
            myProcesses = Process.GetProcessesByName("Excel");   
  
            //得不到Excel进程ID，暂时只能判断进程启动时间   
            foreach(Process myProcess in myProcesses)   
            {   
                startTime = myProcess.StartTime;   
  
                if(startTime > beforeTime && startTime < afterTime)   
                {   
                    myProcess.Kill();   
                }   
            }   
        }   
  
  
        private void Dispose()   
        {   
            workBook.Close(null,null,null);   
            app.Workbooks.Close();   
            app.Quit();   
  
            if(range != null)   
            {   
                System.Runtime.InteropServices.Marshal.ReleaseComObject(range);   
                range = null;   
            }   
            if(range1 != null)   
            {   
                System.Runtime.InteropServices.Marshal.ReleaseComObject(range1);   
                range1 = null;   
            }   
            if(range2 != null)   
            {   
                System.Runtime.InteropServices.Marshal.ReleaseComObject(range2);   
                range2 = null;   
            }   
            if(textBox != null)   
            {   
                System.Runtime.InteropServices.Marshal.ReleaseComObject(textBox);   
                textBox = null;   
            }   
            if(workSheet != null)   
            {   
                System.Runtime.InteropServices.Marshal.ReleaseComObject(workSheet);   
                workSheet = null;   
            }   
            if(workBook != null)   
            {   
                System.Runtime.InteropServices.Marshal.ReleaseComObject(workBook);   
                workBook = null;   
            }   
            if(app != null)   
            {   
                System.Runtime.InteropServices.Marshal.ReleaseComObject(app);   
                app = null;   
            }   
  
            GC.Collect();   
  
            this.KillExcelProcess();   
               
        }//end Dispose  
        #endregion   
  
           
    }//end class   
}//end namespace  








C#操作EXCEL全解（代码）
提示：运行之前必须先引用Interop.Excel.dll模块

using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.OleDb;
using System.Windows.Forms;
using System.Reflection;
using Excel;

namespace AnalysisSystem.DB
{
    public class ExcelOperation
    {
        private string _fileName;//保存路径名
        public ExcelOperation(string fileName)
        {
            _fileName = fileName;
        }

        private OleDbConnection GetConnection()
        {
            string connectString = string.Format("Provider=Microsoft.Jet.OLEDB.4.0;Data Source={0};Extended Properties=Excel 8.0",_fileName);
            OleDbConnection myConn = new OleDbConnection(connectString);//建立链接
            return myConn;
        }

        public System.Data.DataTable ExecuteTableResult(string strSql)
        {
            System.Data.DataTable dt = new System.Data.DataTable();
            try
            {
                OleDbConnection conn = this.GetConnection();
                OleDbDataAdapter da = new OleDbDataAdapter(strSql, conn);//执行相关SQL语句
                da.Fill(dt);
            }
            catch (System.Exception ex)
            {
                //do nothing
            }
            return dt;
        }

        public DataSet ExecuteSetResult(string strSql,string table_name)
        {

            DataSet ds = new DataSet();
            string temp_name = "[" + table_name + "$]";
            try
            {
                OleDbConnection conn = this.GetConnection();
                OleDbDataAdapter da = new OleDbDataAdapter(strSql, conn);
                da.Fill(ds,temp_name);
            }
            catch (System.Exception ex)
            {
                //do nothing
            }
            return ds;
        }

        public string ExecuteOneResult(string strSql)
        {
            string result = "";
            System.Data.DataTable dt = new System.Data.DataTable();
            try
            {
                OleDbConnection conn = this.GetConnection();
                OleDbDataAdapter da = new OleDbDataAdapter(strSql, conn);
                da.Fill(dt);
            }
            catch (System.Exception ex)
            {
                //do nothing
            }
            if (dt != null && dt.Rows.Count > 0)
            {
                result = dt.Rows[0][0].ToString();
            }
            return result;
        }

        public void ExecuteNonResult(string strSql)
        {
            try
            {
                OleDbConnection conn = this.GetConnection();
                OleDbCommand cmd = new OleDbCommand(strSql, conn);
                cmd.ExecuteNonQuery();
            }
            catch (System.Exception ex)
            {
                //do nothing
            }
        }

        
        private _Workbook W_B(Excel.Application app)
        {
            Workbooks workbooks = app.Workbooks;
            _Workbook workbook = workbooks.Add(XlWBATemplate.xlWBATWorksheet);
            return workbook;
        }
        private _Worksheet W_S(_Workbook work_book)
        {
            Sheets sheets = work_book.Worksheets;
            _Worksheet worksheet = (_Worksheet)sheets.get_Item(1);//获取选择第一个表，本身默认名称为Sheet1
            return worksheet;
        }
        //从DataGridView中导出数据到Excel表,单表导出
        public void Excel_out(DataGridView dataGridView1)
        {
            //建立Excel对象
            Excel.Application app = new Excel.Application();
            try
            {
                _Workbook workbook = this.W_B(app);
                _Worksheet worksheet = this.W_S(workbook);

                string sLen = "";
                //取得最后一列列名
                char H = (char)(64 + dataGridView1.ColumnCount / 26);
                char L = (char)(64 + dataGridView1.ColumnCount % 26);
                if (dataGridView1.ColumnCount < 26)
                {
                    sLen = L.ToString();
                }
                else
                {
                    sLen = H.ToString() + L.ToString();
                }

                //标题
                string sTmp = sLen + "1";
                Range ranCaption = worksheet.get_Range(sTmp, "A1");
                string[] asCaption = new string[dataGridView1.ColumnCount];
                for (int i = 0; i < dataGridView1.ColumnCount; i++)
                {
                    asCaption[i] = dataGridView1.Columns[i].HeaderText;
                }
                ranCaption.Value2 = asCaption;
                //数据
                object[] obj = new object[dataGridView1.Columns.Count];
                for (int r = 0; r < dataGridView1.RowCount - 1; r++)
                {
                    for (int l = 0; l < dataGridView1.Columns.Count; l++)
                    {
                        if (dataGridView1[l, r].ValueType == typeof(DateTime))
                        {
                            obj[l] = dataGridView1[l, r].Value.ToString();
                        }
                        else
                        {
                            obj[l] = dataGridView1[l, r].Value;
                        }
                    }
                    string cell1 = sLen + ((int)(r + 2)).ToString();
                    string cell2 = "A" + ((int)(r + 2)).ToString();
                    Range ran = worksheet.get_Range(cell1, cell2);
                    ran.Value2 = obj;
                }
                //保存
                workbook.SaveCopyAs(this._fileName);
                workbook.Saved = true;
            }
            finally
            {
                //关闭
                app.UserControl = false;
                app.Quit();
            }
        }

        /// <summary>
        /// 多表导出
        /// </summary>
        /// <param name="dataGridView">DataGridView列表集合</param>
        /// <param name="TableList">表名称集合</param>
        public void Excel_out_MulTable(List<DataGridView> dataGridView, string[] TableList)
        {
            //建立Excel对象
            Excel.Application app = new Excel.Application();
            try
            {
                Workbooks workbooks = app.Workbooks;//定义一个工作簿集合
                _Workbook workbook = workbooks.Add(XlWBATemplate.xlWBATWorksheet);//向工作簿添加一个新工作簿
                
                Sheets sheets = workbook.Worksheets;//定义一个工作表集合
                _Worksheet worksheet ;
                int wnumber = 0;
                while (wnumber++ < (TableList.GetLength(0) - 1))
                {
                    sheets.Add(Missing.Value, Missing.Value, Missing.Value, Missing.Value);//向一个工作表集合添加一个新工作表
                }

                /*提醒：Missing类为命名空间System.Reflection中的类，所以记得引入*/
                
                wnumber = 0;
                foreach (DataGridView dataGridView1 in dataGridView)
                {
                    
                    worksheet = null;
                    worksheet = (_Worksheet)sheets.get_Item(wnumber + 1);//取出需要进行操作的工作表
                    worksheet.Name = TableList[wnumber];//设置改工作表名称
                    if (wnumber != 0)
                        sheets.Select(wnumber);//选中操作表
                    

                    string sLen = "";
                    //取得最后一列列名
                    char H = (char)(64 + dataGridView1.ColumnCount / 26);
                    char L = (char)(64 + dataGridView1.ColumnCount % 26);
                    if (dataGridView1.ColumnCount < 26)
                    {
                        sLen = L.ToString();
                    }
                    else
                    {
                        sLen = H.ToString() + L.ToString();
                    }

                    //标题
                    string sTmp = sLen + "1";
                    Range ranCaption = worksheet.get_Range(sTmp, "A1");
                    string[] asCaption = new string[dataGridView1.ColumnCount];
                    for (int i = 0; i < dataGridView1.ColumnCount; i++)
                    {
                        asCaption[i] = dataGridView1.Columns[i].HeaderText;
                    }
                    ranCaption.Value2 = asCaption;
                    //数据
                    object[] obj = new object[dataGridView1.Columns.Count];
                    for (int r = 0; r < dataGridView1.RowCount - 1; r++)
                    {
                        for (int l = 0; l < dataGridView1.Columns.Count; l++)
                        {
                            if (dataGridView1[l, r].ValueType == typeof(DateTime))
                            {
                                obj[l] = dataGridView1[l, r].Value.ToString();
                            }
                            else
                            {
                                obj[l] = dataGridView1[l, r].Value;
                            }
                        }
                        string cell1 = sLen + ((int)(r + 2)).ToString();
                        string cell2 = "A" + ((int)(r + 2)).ToString();
                        Range ran = worksheet.get_Range(cell1, cell2);//设置单元格                        
                        ran.Value2 = obj;
                        
                    }       
                    wnumber++;
                }
                //保存                
                workbook.SaveCopyAs(this._fileName);
                workbook.Saved = true;
            }
            finally
            {
                //关闭
                app.UserControl = false;
                app.Quit();
            }
            
        }

    }
}