public ActionResult RegisterClient(Client client)
        {
            if (ModelState.IsValid)
            {
                ClarityConferenceDB db = new ClarityConferenceDB();
                db.clients.Add(client);

                db.SaveChanges();
                return(RedirectToAction("Show", "Register"));
            }
            return(RedirectToAction("Register", "Register"));
        }
        public ActionResult RegisterAttendee(Attendee attendee)
        {
            if (ModelState.IsValid)
            {
                ClarityConferenceDB db = new ClarityConferenceDB();
                db.attendees.Add(attendee);

                db.SaveChanges();
                return(RedirectToAction("Show", "Register"));
            }
            return(RedirectToAction("Register", "Register"));
        }