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("")); }