C#导入Excel|读取Excel方法

OleDbConnection读取

/// <summary>

      /// 返回Excel数据源

      /// </summary>

      /// <param name="filename">文件路径</param>

      /// <param name="TSql">TSql</param>

      /// <returns>DataSet</returns>

      public static DataSet ExcelToDataSet(string filename, string TSql)

      {

          DataSet ds;

          string strCon = "Provider=Microsoft.Jet.OLEDB.4.0;Extended Properties=Excel 8.0;data source=" + filename;

          OleDbConnection myConn = new OleDbConnection(strCon);

          string strCom = TSql;

          myConn.Open();

          OleDbDataAdapter myCommand = new OleDbDataAdapter(strCom, myConn);

          ds = new DataSet();

          myCommand.Fill(ds);

          myConn.Close();

          return ds;

      }

      写sql语句

          string TSql = "SELECT  * FROM [sheel1$]";

        //读取数据

        DataTable table = ExcelToDataSet(fullPath, TSql).Tables[0];