partial void DeleteHotelOrder(HotelOrder instance);
 partial void UpdateHotelOrder(HotelOrder instance);
		private void detach_HotelOrders(HotelOrder entity)
		{
			this.SendPropertyChanging();
			entity.Hotel = null;
		}
 partial void InsertHotelOrder(HotelOrder instance);
		private void attach_HotelOrders(HotelOrder entity)
		{
			this.SendPropertyChanging();
			entity.Hotel = this;
		}