public ActionResult AddToCart(int id)
        {
            // Retrieve the item from the database
            var addedItem = storeDB.Items
                .Single(item => item.ID == id);

            // Add it to the shopping cart
            var cart = ShoppingCart.GetCart(this.HttpContext);

            int count = cart.AddToCart(addedItem);

            // Display the confirmation message
            var results = new ShoppingCartRemoveViewModel
            {
                Message = Server.HtmlEncode(addedItem.Name) +
                    " has been added to your shopping cart.",
                CartTotal = cart.GetTotal(),
                CartCount = cart.GetCount(),
                ItemCount = count,
                DeleteId = id
            };
            HttpContext.Session["CartTotal"] = cart.GetTotal();
            return Json(results);

            // Go back to the main store page for more shopping
           // return RedirectToAction("Index");
        }
        public ActionResult RemoveFromCart(int id)
        {
            // Remove the item from the cart
            var cart = ShoppingCart.GetCart(this.HttpContext);

            // Get the name of the item to display confirmation

            // Get the name of the album to display confirmation
            string itemName = storeDB.Items
                .Single(item => item.ID == id).Name;

            // Remove from cart
            int itemCount = cart.RemoveFromCart(id);

            // Display the confirmation message
            var results = new ShoppingCartRemoveViewModel
            {
                Message = "One (1) "+ Server.HtmlEncode(itemName) +
                    " has been removed from your shopping cart.",
                CartTotal = cart.GetTotal(),
                CartCount = cart.GetCount(),
                ItemCount = itemCount,
                DeleteId = id
            };
            HttpContext.Session["CartTotal"] = cart.GetTotal();
            return Json(results);
        }