private void TxtTradeInValue_TextChanged(object sender, EventArgs e)
{
// New input clears error
TradeInValueError.Clear();
// If trade in value is modified, summary section outputs will be cleared.
txtSummaryVehiclesSalePrice.Text = String.Empty;
txtSummaryTradeIn.Text = String.Empty;
txtSummaryTax.Text = String.Empty;
txtSummarySubtotal.Text = String.Empty;
txtSummaryOptions.Text = String.Empty;
txtSummaryTotal.Text = String.Empty;
txtSummaryAmountDue.Text = String.Empty;
txtFinanceMonthlyPay.Text = String.Empty;
}
/// <summary>
/// Validates trade in value input and throws appropriate error.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void TradeInInput_Validated(object sender, EventArgs e)
{
if (txtTradeInValue.Text == null || txtTradeInValue.Text.Equals(String.Empty))
{
TradeInValueError.SetError(txtTradeInValue, "Trade-in value is a required field.");
}
else if (!Regex.IsMatch(txtTradeInValue.Text, @"^\d+$"))
{
TradeInValueError.SetError(txtTradeInValue, "Trade-in value cannot contain letters or special characters.");
}
else if ((!Regex.IsMatch(txtTradeInValue.Text, @"^\d+$") && Decimal.Parse(txtTradeInValue.Text) < 0))
{
TradeInValueError.SetError(txtTradeInValue, "Trade-in value cannot be less than 0.");
}
else if ((!Regex.IsMatch(txtTradeInValue.Text, @"^\d+$") && Decimal.Parse(txtVehiclesSalesPrice.Text) < Decimal.Parse(txtTradeInValue.Text)))
{
TradeInValueError.SetError(txtTradeInValue, "Trade-in value cannot exceed the vehicle sale price.");
}
else if (IsValidTradeInValue())
{
TradeInValueError.Clear();
}
}
private void BtnReset_Click(object sender, EventArgs e)
{
string messageConfirmation = "Do you want to reset the form?";
string caption = "Reset Form";
MessageBoxButtons button = MessageBoxButtons.YesNo;
MessageBoxIcon boxIcon = MessageBoxIcon.Warning;
DialogResult messageBox = MessageBox.Show(messageConfirmation, caption, button, boxIcon, MessageBoxDefaultButton.Button2);
if (messageBox == DialogResult.Yes)
{
// Changes the form's initial state.
txtVehiclesSalesPrice.Text = String.Empty;
txtTradeInValue.Text = "0";
VehicleSalePriceError.Clear();
TradeInValueError.Clear();
chkComputerNavigation.Checked = false;
chkLeatherInterior.Checked = false;
chkStereoSystem.Checked = false;
radStandard.Checked = true;
radPearlized.Checked = false;
radCustomized.Checked = false;
nudFinanceInterestRate.Value = 5;
nudFinanceYears.Value = 1;
txtSummaryVehiclesSalePrice.Text = String.Empty;
txtSummaryTradeIn.Text = String.Empty;
txtSummaryTax.Text = String.Empty;
txtSummarySubtotal.Text = String.Empty;
txtSummaryOptions.Text = String.Empty;
txtSummaryTotal.Text = String.Empty;
txtSummaryAmountDue.Text = String.Empty;
txtFinanceMonthlyPay.Text = String.Empty;
}
}
