public IActionResult Withdrawal(DepositWithdrawalViewModel values)
        {
            if (ModelState.IsValid)
            {
                var old = _context.Accounts.SingleOrDefault(a => a.AccountId == values.Account.AccountId);

                if (values.Transaction.Amount > old.Balance)
                {
                    return(PartialView("_WithdrawalFailed"));
                }
                else
                {
                    values.Transaction.AccountId = values.Account.AccountId;
                    values.Transaction.Date      = DateTime.Now;
                    values.Transaction.Date.ToShortDateString();
                    values.Transaction.Type      = "Debit";
                    values.Transaction.Operation = "Withdrawal in Cash";

                    values.Account.Frequency   = old.Frequency;
                    values.Account.Created     = old.Created;
                    values.Transaction.Balance = old.Balance + (-(values.Transaction.Amount));
                    values.Account.Balance     = values.Transaction.Balance;
                    _context.Entry(old).CurrentValues.SetValues(values.Account);

                    _context.Transactions.Add(values.Transaction);
                    _context.SaveChanges();
                    ModelState.Clear();

                    return(PartialView("_WithdrawalDone", values));
                }
            }

            return(View());
        }
        public IActionResult Withdrawal(int id)
        {
            var model = new DepositWithdrawalViewModel();

            model.Account = _context.Accounts.SingleOrDefault(a => a.AccountId == id);
            return(View(model));
        }