private void btnAddCar_Click(object sender, EventArgs e)
{
var regNo = txtReg.Text.ToUpper();
//Validate data
if (txtMake.Text.Equals(""))
{
MessageBox.Show("Car make must be entered", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtMake.Focus();
return;
}
if (!isValidMakeModel(txtMake.Text))
{
MessageBox.Show("Invalid Make", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtMake.Focus();
return;
}
if (!isValidMakeModel(txtModel.Text))
{
MessageBox.Show("Invalid Model", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtModel.Focus();
return;
}
if (txtModel.Text.Equals(""))
{
MessageBox.Show("Car model must be entered", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtModel.Focus();
return;
}
if (!isValidReg(txtReg.Text))
{
MessageBox.Show("Car Registration is invalid. NN(N)-XX-N(NNN) ", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
txtReg.Focus();
return;
}
//check if RegNo already exists
if (Cars.checkRegExists(regNo))
{
MessageBox.Show("Registration number already exists", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
txtReg.Focus();
return;
}
if (cboCarCategory.Text.Equals(""))
{
MessageBox.Show("Chose a car category", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
cboCarCategory.Focus();
return;
}
if (cboFuelType.Text.Equals(""))
{
MessageBox.Show("Chose fuel type", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
cboFuelType.Focus();
return;
}
if (cboTransmission.Text.Equals(""))
{
MessageBox.Show("Chose transmission", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
cboCarCategory.Focus();
return;
}
if (rad2door.Checked)
{
doors = 2;
}
else if (rad4door.Checked)
{
doors = 4;
}
else
{
MessageBox.Show("Chose number of doors", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
rad2door.Focus();
return;
}
var extra = "";
if (chkAddCar.CheckedItems.Count > 0)
{
for (var i = 0; i < chkAddCar.CheckedItems.Count; i++)
{
if (extra == "")
{
extra = chkAddCar.CheckedItems[i].ToString();
}
else
{
extra += "," + chkAddCar.CheckedItems[i];
}
}
}
//Save data in file
var addCar = new Cars(txtMake.Text, txtModel.Text, cboCarCategory.Text, txtReg.Text, cboTransmission.Text,
cboFuelType.Text, 0, "A", Convert.ToInt32(numericUpDownSeats.Text), Convert.ToInt32(doors), extra,
Convert.ToDecimal(numericUpEngine.Text),
Convert.ToInt32(numericUpBags.Text));
//INSERT car record into cars table
addCar.addCars();
//Display confirmation
MessageBox.Show("Car with Reg " + txtReg.Text + " has been added", "Success", MessageBoxButtons.OK,
MessageBoxIcon.Information);
//Reset UI
txtMake.Clear();
txtModel.Clear();
txtReg.Clear();
numericUpBags.ResetText();
numericUpEngine.ResetText();
numericUpDownSeats.ResetText();
chkAddCar.ClearSelected();
txtMake.Focus();
}
