• 用Access为支撑,书写一个用C#写入数据库的案列


    /// <summary> 
    /// 读取Excel文档 
    /// </summary> 
       
    /// <param name="Path">文件名称</param> 
    /// <returns>返回一个数据集</returns> 
    public DataSet ExcelToDS(string Path) 
    { 
    string strConn = "Provider=Microsoft.Jet.OLEDB.4.0;" +"Data Source="+ Path +";"+"Extended Properties=Excel 8.0;"; 
    OleDbConnection conn = new OleDbConnection(strConn); 
    conn.Open(); 
    string strExcel = ""; 
    OleDbDataAdapter myCommand = null; 
    DataSet ds = null; 
    strExcel="select * from [sheet1$]"; 
    myCommand = new OleDbDataAdapter(strExcel, strConn); 
    ds = new DataSet(); 
    myCommand.Fill(ds,"table1"); 
    return ds; 
    } 
    
    /// <summary> 
    /// 写入Excel文档 
    /// </summary> 
    /// <param name="Path">文件名称</param> 
    public bool SaveFP2toExcel(string Path) 
    { 
    try 
    { 
    string strConn = "Provider=Microsoft.Jet.OLEDB.4.0;" +"Data Source="+ Path +";"+"Extended Properties=Excel 8.0;"; 
    OleDbConnection conn = new OleDbConnection(strConn); 
    conn.Open(); 
    System.Data.OleDb.OleDbCommand cmd=new OleDbCommand (); 
    cmd.Connection =conn; 
    //cmd.CommandText ="UPDATE [sheet1$] SET 姓名=’2005-01-01’ WHERE 工号=’日期’"; 
    //cmd.ExecuteNonQuery (); 
    for(int i=0;i<fp2.Sheets [0].RowCount -1;i++) 
    { 
    if(fp2.Sheets [0].Cells[i,0].Text!="") 
    { 
    cmd.CommandText ="INSERT INTO [sheet1$] (工号,姓名,部门,职务,日期,时间) VALUES(’"+fp2.Sheets [0].Cells[i,0].Text+ "’,’"+ 
    fp2.Sheets [0].Cells[i,1].Text+"’,’"+fp2.Sheets [0].Cells[i,2].Text+"’,’"+fp2.Sheets [0].Cells[i,3].Text+ 
    "’,’"+fp2.Sheets [0].Cells[i,4].Text+"’,’"+fp2.Sheets [0].Cells[i,5].Text+"’)"; 
    cmd.ExecuteNonQuery (); 
    } 
    } 
    conn.Close (); 
    return true; 
    } 
    catch(System.Data.OleDb.OleDbException ex) 
    { 
    System.Diagnostics.Debug.WriteLine ("写入Excel发生错误:"+ex.Message ); 
    } 
    return false; 
    }
    作者:Monodrama
    本文版权归作者和博客园共有,欢迎转载,但未经作者同意必须在文章页面给出原文链接,否则保留追究法律责任的权利。
  • 相关阅读:
    C#中ConnectionStrings和AppSettings的区别
    VS2010 生成的程序在其他电脑上不运行的问题
    装修经验
    在Linux下安装rar for linux
    判断二叉搜索树的后序遍历序列
    二维数组中的查找某个数
    Spring MVC执行原理
    将二叉搜索树转换成一个排序的双向链表
    打印二叉树中所有分支之和等于某个数
    ObjectiveC中public、protected、private的使用[转]
  • 原文地址:https://www.cnblogs.com/jingpeipei/p/5256682.html
Copyright © 2020-2023  润新知