protected void btnDeposit_Click(object sender, EventArgs e)
        {
            ApplicationBankAccountService service = new ApplicationBankAccountService();
            DepositRequest request = new DepositRequest();
            Guid AccId = new Guid(ddlBankAccounts.SelectedValue.ToString());
            request.AccountId = AccId;
            request.Amount = Decimal.Parse(txtAmount.Text);

            service.Deposit(request);
            DisplaySelectedAccount();
        }