public IViewComponentResult Invoke()
        {
            _shoppingCard.ShoppingCardItems = _shoppingCard.GetShoppingCardItems();
            var shoppingcardVM = new ShoppingCardViewModel
            {
                ShoppingCard      = _shoppingCard,
                ShoppingCardTotal = _shoppingCard.GetTotal()
            };

            return(View(shoppingcardVM));
        }
        public ViewResult Index()
        {
            _shoppingCard.ShoppingCardItems = _shoppingCard.GetShoppingCardItems();

            var shoppingcardVM = new ShoppingCardViewModel
            {
                ShoppingCard      = _shoppingCard,
                ShoppingCardTotal = _shoppingCard.GetTotal()
            };

            return(View(shoppingcardVM));
        }