public void DeleteHotelBooking(t_hotelbooking a)
 {
     utwk.HotelBookingRepository.Delete(a);
 }
 public void UpdateHotelBooking(t_hotelbooking a)
 {
     //_repository.Update(entity);
     utwk.HotelBookingRepository.Update(a);
     utwk.Commit();
 }
 public void AddHotelBooking(t_hotelbooking a)
 {
     utwk.HotelBookingRepository.Add(a);
     utwk.Commit();
 }