public IActionResult Discount(Discount_viewmodel model, int id)
        {
            if (model.product == null)
            {
                return(NotFound());
            }
            _Iproduct.Discount(model.discount, id);



            return(RedirectToAction("index"));
        }
        //Discount Get
        public IActionResult Discount(int id)
        {
            var product = _Iproduct.GetProduct(id);

            if (product == null)
            {
                return(NotFound());
            }
            Discount_viewmodel model = new Discount_viewmodel();

            model.product.Id       = product.Id;
            model.product.Name     = product.Name;
            model.product.photo    = product.photo;
            model.product.Rate     = product.Rate;
            model.product.Price    = product.Price;
            model.product.NewPrice = product.NewPrice;
            model.product.Shop     = product.Shop;
            model.product.ShopID   = product.ShopID;
            return(View(model));
        }