private void detach_Menu_xMenuCategories(Menu_xMenuCategory entity)
		{
			this.SendPropertyChanging();
			entity.Menu = null;
		}
 partial void DeleteMenu_xMenuCategory(Menu_xMenuCategory instance);
 partial void InsertMenu_xMenuCategory(Menu_xMenuCategory instance);
 partial void UpdateMenu_xMenuCategory(Menu_xMenuCategory instance);
		private void attach_Menu_xMenuCategories(Menu_xMenuCategory entity)
		{
			this.SendPropertyChanging();
			entity.MenuCategory = this;
		}