• 以Access为支撑,书写一个C#写入记录的案例


    /// <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;
    }
  • 相关阅读:
    就打排序算法总结
    php 垃圾回收机制写时复制和引用计数
    zend studio 使用断点调试
    SiteServer 迁移至 Windows 2008 R2 问题汇总
    [项目改造中的点滴]C#中IDataReader和DataSet的区别与使用场景
    顺序分支知识总结
    我的第一篇博客
    [原创]删除GRUB引导恢复Windows引导,不用下载任何工具
    在C++builder中使用正则表达式,非boost库,简单!~
    SQL 存储过程优化经验
  • 原文地址:https://www.cnblogs.com/myhome-1/p/5256054.html
Copyright © 2020-2023  润新知