public ActionResult DiscountNew(FormCollection form) { Korting newDiscount = new Korting(Convert.ToDouble(form["Percentage"]), form["Description"], Convert.ToDateTime(form["endDate"])); string discountId = newDiscount.SaveOrUpdate(); string productIds = form["productIds"]; string[] productidList = productIds.Split(','); foreach (string id in productidList) { Korting.AddKortingToProduct(discountId, id); } return(this.Discounts("")); }