public RedirectToRouteResult DeleteItem(int productId)
        {
            ShoppingCartX     shoppingCart = new ShoppingCartX();
            ECommerceEntities et           = new ECommerceEntities();

            shoppingCart.RemoveFromCart(new ProductAdapter(et.Product.Where(x => x.ProductID == productId).FirstOrDefault()));
            return(RedirectToAction("Index"));
        }