public ActionResult AddToCart(int id) { var user = JsonConvert.DeserializeObject <Models.UserModel>(HttpContext.Session.GetString("User")); var item = shoppingCartManager.Add(user.Id, id, 1); var items = shoppingCartManager.GetAll(user.Id) .Select(t => new Ziggle.WebSite.Models.ShoppingCartItem { ProductId = t.ProductId, ProductName = t.ProductName, ProductPrice = t.ProductPrice, Quantity = t.Quantity }) .ToArray(); return(View(items)); }