public ActionResult Create(SavingsAccount savingsaccount)
        {
            savingsaccount.SetNextAccountNumber();
            if (ModelState.IsValid)
            {
                db.SavingsAccounts.Add(savingsaccount);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            ViewBag.ClientId = new SelectList(db.Clients, "ClientId", "FullName", savingsaccount.ClientId);
            ViewBag.AccountStatusId = new SelectList(db.AccountStatuses, "AccountStatusId", "Description", savingsaccount.AccountStatusId);
            return View(savingsaccount);
        }