/// <summary>  
    /// 解析Excel，根据OleDbConnection直接连Excel  
    /// </summary>  
    /// <param name="filePath"></param>  
    /// <param name="name"></param>  
    /// <returns></returns>  
    public static DataSet LoadDataFromExcel(string filePath, string name)  
    {  
      try  
      {  
        string strConn;  
        //  strConn = " Provider = Microsoft.Jet.OLEDB.4.0 ; Data Source = " + filePath + ";Extended Properties=Excel 8.0";  
        strConn = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + filePath + ";Extended Properties=\"Excel 12.0 Xml;HDR=No\"";  //这是2010的链接字符串，不同版本链接不同
       OleDbConnection OleConn = new OleDbConnection(strConn);  
        OleConn.Open();  
        string sql = "SELECT * FROM [" + name + "$]";//可是更改Sheet名称，比如sheet2，等等   
        OleDbDataAdapter OleDaExcel = new OleDbDataAdapter(sql, OleConn);  
        DataSet OleDsExcle = new DataSet();  
        OleDaExcel.Fill(OleDsExcle, name);  
        OleConn.Close();  
        return OleDsExcle;  
      }  
      catch (Exception err)  
      {  
        MessageBox.Show("数据绑定Excel失败! 失败原因：" + err.Message, "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Information);  
        return null;  
      }  
    }