//Get: Manage/Discounts/{Id}
        public ActionResult Discounts(string id)
        {
            ViewBag.Discounts = Korting.All();
            ViewBag.Products  = Product.All();

            if (id != null)
            {
                ViewBag.Product  = Product.Find(id);
                ViewBag.Discount = Korting.Find(id);
            }

            return(View("~/Views/Manage/Discounts.cshtml"));
        }
        // GET: Manage/Products
        public ActionResult Products(string id)
        {
            ViewBag.Producten   = Product.All();
            ViewBag.Leverancier = Leverancier.All();
            ViewBag.Categorien  = Productcategorie.All();

            if (id != null)
            {
                ViewBag.Product  = Product.Find(id);
                ViewBag.Discount = Korting.Find(id);
            }

            return(View("~/Views/Manage/Products.cshtml"));
        }
        public ActionResult DiscountUpdate(FormCollection form)
        {
            FormCollection f = form;

            if (form["updateBtn"] != null)
            {
                Korting korting = Korting.Find(form["id"]);
                korting.EindDatum          = Convert.ToDateTime(form["endDate"]);
                korting.Opmerking          = form["Description"];
                korting.Kortingspercentage = Convert.ToDouble(form["discountPercentage"]);
                korting.SaveOrUpdate();
            }
            else if (form["deleteBtn"] != null)
            {
                Korting korting = Korting.Find(form["id"]);
                Korting.RemoveKortingFromProducts(korting.Id.ToString());
                korting.Delete();
            }

            return(this.Discounts(""));
        }