sdf

     switch (nDType) 
     {
     case nYc:
         { 
             m_QueryVector.clear();
             GetSelID();

             if ( pRdClient->QueryDataEx(nYC,nUnitID,m_QueryVector,(LPSTR)(LPCTSTR)cstrBeginTemp,(LPSTR)(LPCTSTR)cstrEndTemp))
             {
                 strData = "查询时段遥测数据成功！";
             }
             else
             {
                  strData = "查询时段遥测数据失败！";
             }    

             m_QueryVector.clear();
         }
         break;
     default:
         break;
     }