//public ActionResult CartShow() //{ // CartSession cart = Session["CartSession"] as CartSession; // return View(cart); //} //public ActionResult CartShowMenu() //{ // CartSession cart = Session["CartSession"] as CartSession; // return View(cart); //} public ActionResult Update_Quantity_Cart(FormCollection form) { CartSession cart = Session["CartSession"] as CartSession; int id_pro = int.Parse(form["ID_Product"]); Product _pro = db.Products.Find(id_pro); int quantity = int.Parse(form["Quantity"]); if (quantity > _pro.Quantity) { return(RedirectToAction("Err", "ShoppingCart")); } else { cart.Update_Quantity_Shopping(id_pro, quantity); } return(RedirectToAction("ShowToCart", "ShoppingCart")); }