// GET: ClientPrefs/Edit/5
        public ActionResult Edit(int?id)
        {
            ClientPrefViewModel viewModel = new ClientPrefViewModel();

            if (id == null)
            {
                return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
            }
            viewModel.ClientPref = db.ClientPrefs.Find(id);
            viewModel.Client     = db.Clients.Where(c => c.ApplicationId == userId).SingleOrDefault();
            if (viewModel.ClientPref == null)
            {
                return(HttpNotFound());
            }
            ViewBag.ClientId = new SelectList(db.Clients, "Id", "FirstName", viewModel.ClientPref.ClientId);
            return(View(viewModel));
        }
        public ActionResult Edit(ClientPrefViewModel viewModel)
        {
            viewModel.Client.ApplicationId = userId;
            Client client = viewModel.Client;

            ClientPref clientPref = viewModel.ClientPref;

            if (ModelState.IsValid)
            {
                db.Entry(clientPref).State = EntityState.Modified;
                db.SaveChanges();
                db.Entry(client).State = EntityState.Modified;
                db.SaveChanges();

                return(RedirectToAction("Details", "Clients", viewModel));
            }
            ViewBag.ClientId = new SelectList(db.Clients, "Id", "FirstName", viewModel.ClientPref.ClientId);
            return(RedirectToAction("Details", "Clients", viewModel));
        }