/// <summary>

 /// 读取Excel文件里面的内容到DataSet

 /// </summary>

 /// <param name="Path"></param>

 /// <param name="ds"></param>

 private void ExcelToDS(string Path,ref DataSet ds)

 {

     string strConn = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + Path + ";" + "Extended Properties=\"Excel 8.0;HDR=Yes;IMEX=1\"";

     OleDbConnection conn = new OleDbConnection(strConn);

     conn.Open();

     //返回Excel的架构，包括各个sheet表的名称,类型，创建时间和修改时间等

     DataTable dtSheetName = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, "Table" });

     //包含excel中表名的字符串数组

     string[] strTableNames = new string[dtSheetName.Rows.Count];

     for (int k = ; k < dtSheetName.Rows.Count; k++)

     {

         strTableNames[k] = dtSheetName.Rows[k]["TABLE_NAME"].ToString();

     }

     string strExcel = "";

     OleDbDataAdapter myCommand = null;

     strExcel = "select * from [" + strTableNames[] + "]";//strTableNames[0]取得第一个Sheet中的数据

     myCommand = new OleDbDataAdapter(strExcel, strConn);

     ds = new DataSet();

     myCommand.Fill(ds);

     conn.Close();

     conn.Dispose();

 }