private void btnAdd_CLick(object sender, EventArgs e)
{
//Validate data
if (txtCarType.Text.Equals(""))
{
MessageBox.Show("Car type field must be entered", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtCarType.Focus();
return;
}
//check if category already exists
if (Rates.checkCategoryExists(txtCarType.Text))
{
MessageBox.Show("Category ID Already Exists", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtCarType.Focus();
return;
}
if (!isValidType(txtCarType.Text))
{
MessageBox.Show("Car type is invalid.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtCarType.Focus();
return;
}
if (!isValidDesc(txtDesc.Text))
{
MessageBox.Show("Description field is invalid.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtDesc.Focus();
return;
}
if (txtDesc.Text.Equals(""))
{
MessageBox.Show("Description field must be entered", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
txtDesc.Focus();
return;
}
if (numericUpRate.Text.Equals(""))
{
MessageBox.Show("Rate field must be entered", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
numericUpRate.Focus();
return;
}
if (numericUpRate.Value < 0)
{
MessageBox.Show("Rate field must be greater than zero", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
numericUpRate.Focus();
return;
}
try
{
//Save data in rate file
var myRate = new Rates(txtCarType.Text, txtDesc.Text, Convert.ToDecimal(numericUpRate.Text));
myRate.addRates();
//Display confirmation
MessageBox.Show("Car Type Added", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
//Reset UI
txtCarType.Clear();
txtDesc.Clear();
numericUpRate.ResetText();
txtCarType.Focus();
}
catch (Exception)
{
Close();
parent.Visible = true;
}
}
