public ActionResult RetailerAuthenticate(FormCollection collection)
        {
            Retailer C = new Retailer();

            C.Username = collection["Username"];
            C.Password = collection["Password"];
            if (C.AuthenticateRetailer())
            {
                Session["Retailer"] = C;
                return(RedirectToAction("HomePage1", "Guest"));
            }
            else
            {
                return(RedirectToAction("RetailerLogin"));
            }
        }