public IActionResult ShoppingCart() { int AccountID = Convert.ToInt32(HttpContext.Session.GetString("AccountID")); ShoppingCartViewModel model = new ShoppingCartViewModel() { AccountID = AccountID, items = shopLogic.GetBagItems(AccountID) }; int subtotal = 0; for (int i = 0; i < model.items.Count; i++) { subtotal += model.items[i].shoe.Price; } model.SubTotal = subtotal; return(View(model)); }