partial void DeleteRoomImage(RoomImage instance);
 partial void UpdateRoomImage(RoomImage instance);
		private void detach_RoomImages(RoomImage entity)
		{
			this.SendPropertyChanging();
			entity.Room = null;
		}
 partial void InsertRoomImage(RoomImage instance);
		private void attach_RoomImages(RoomImage entity)
		{
			this.SendPropertyChanging();
			entity.Room = this;
		}