partial void DeleteGame(Game instance);
 partial void UpdateGame(Game instance);
		private void detach_Games1(Game entity)
		{
			this.SendPropertyChanging();
			entity.Player2 = null;
		}
 partial void InsertGame(Game instance);
		private void attach_Games1(Game entity)
		{
			this.SendPropertyChanging();
			entity.Player2 = this;
		}