public ActionResult shopcartdel(ShoppCar sh)
        {
            ShoppCar s = shop.ShoppCar.FirstOrDefault(a => a.ShopCardID == sh.ShopCardID);

            shop.ShoppCar.Remove(s);
            if (shop.SaveChanges() > 0)
            {
                return(Content("true"));
            }
            else
            {
                return(Content("false"));
            }
        }
        public ActionResult shopcartinfo(ShoppCar cart)
        {
            ShoppCar c = new ShoppCar();

            c.SKUId  = cart.SKUId;
            c.UserID = cart.UserID;
            shop.ShoppCar.Add(c);
            if (shop.SaveChanges() > 0)
            {
                return(Content("true"));
            }
            else
            {
                return(Content("false"));
            }
        }