创建DataSet

DataSet ds=new DataSet();
   DataTable dt = new DataTable(); 
   DataColumn[] dc = new DataColumn[6];
   dc[0] = new DataColumn("GroupID",typeof(string));
   dc[1] = new DataColumn("CustID",typeof(string));
   dc[2] = new DataColumn("CustSrNo",typeof(string));
   dc[3] = new DataColumn("CloseFlag",typeof(string));
   dc[4] = new DataColumn("TxModuleID",typeof(string));
   dc[5] = new DataColumn("AppsID",typeof(string));
   dt.Columns.AddRange(dc);
   DataRow dr = dt.NewRow();
   dr[0] = "CF";
   dr[1] = "0012005";
   dr[2] = "00001";
   dr[3] = "4";
   dr[4] = "20050506";
   dr[5] = DateTime.Now.ToShortDateString();
   dt.Rows.Add(dr);
   ds.Tables.Add(dt);