private void detach_HotelAmenities(HotelAmenity entity)
 {
     this.SendPropertyChanging();
     entity.Hotel = null;
 }
 private void attach_HotelAmenities(HotelAmenity entity)
 {
     this.SendPropertyChanging();
     entity.Hotel = this;
 }
 partial void UpdateHotelAmenity(HotelAmenity instance);
 partial void DeleteHotelAmenity(HotelAmenity instance);
 partial void InsertHotelAmenity(HotelAmenity instance);