public int? UpdateGroupProcurementContract(string systemcode, string CRVSerialNo, CRVTenderService.GProcurementContract GPC)
 {
     try
     {
         return TenderService.UpdateGroupProcurementContract(systemcode, CRVSerialNo, GPC);
     }
     catch
     {
     }
     return null;
 }
 public int? UpdateTenderVendorAwardStatus(string systemcode, string CRVSerialNo, CRVTenderService.CRVTenderVendor TenderVendor)
 {
     try
     {
         return TenderService.UpdateTenderVendorAwardStatus(systemcode, CRVSerialNo, TenderVendor);
     }
     catch
     {
     }
     return null;
 }
 public int? UpdateGroupProcurementInfo(string systemcode, string CRVSerialNo, CRVTenderService.GroupProcurementInformation GPI)
 {
     try
     {
         return TenderService.UpdateGroupProcurementInformation(systemcode, CRVSerialNo, GPI);
     }
     catch
     {
     }
     return null;
 }