public bool SaveItinerarySearch(BLLModels.ItinerarySearch model)
 {
     if (GetItinerarySearch(model.Id).Count > 0)
     {
         Update<BLLModels.ItinerarySearch>(model);
     }
     else
     {
         Insert<BLLModels.ItinerarySearch>(model);
     }
     return model.Id > 0;
 }
 public bool SaveFlightStatHiostory(BLLModels.FlightStatHistory model)
 {
     if (GetFlightStat(model.Id) != null)
     {
         Update<BLLModels.FlightStatHistory>(model);
     }
     else
     {
         Insert<BLLModels.FlightStatHistory>(model);
     }
     return model.Id > 0;
 }