private void CancelButton_Click(object sender, EventArgs e)
{
if (CLocalDestinationSelection.Checked)
{
try
{
if (string.IsNullOrEmpty(CPassportNumberBox.Text) || string.IsNullOrEmpty(COriginSelectionBox.Text) || string.IsNullOrEmpty(CLocalDestinationSelectionBox.Text))
{
throw new ArgumentNullException();
}
LOCAL_FLIGHT l2 = new LOCAL_FLIGHT();
d = l2.location_check(COriginSelectionBox.Text, CLocalDestinationSelectionBox.Text);
if (d)
{
throw new InvalidLocationException("Origin and destination location cannot be same");
}
FLIGHT l3 = new LOCAL_FLIGHT();
if (l3.cancel(CPassportNumberBox.Text, COriginSelectionBox.Text, CLocalDestinationSelectionBox.Text, Ccabinclass.Text))
{
MessageBox.Show("Cancel Successfully");
}
else
{
MessageBox.Show("Record not fount");
}
CPassportNumberBox.Clear();
COriginSelectionBox.ResetText();
CLocalDestinationSelectionBox.ResetText();
CLocalDestinationSelection.Checked = false;
}
catch (ArgumentNullException)
{
MessageBox.Show("Kindly Fill All The Fields");
}
catch (InvalidLocationException ex)
{
MessageBox.Show(ex.Message);
}
}
if (CInternationalDestinationSelection.Checked)
{
try
{
if (string.IsNullOrEmpty(CPassportNumberBox.Text) || string.IsNullOrEmpty(COriginSelectionBox.Text) || string.IsNullOrEmpty(CInternationalDestinationSelectionBox.Text))
{
throw new ArgumentNullException();
}
FLIGHT l4 = new INTERNATIONAL_FLIGHT();
if (l4.cancel(CPassportNumberBox.Text, COriginSelectionBox.Text, CInternationalDestinationSelectionBox.Text, Ccabinclass.Text))
{
MessageBox.Show("Cancel Successfully");
}
else
{
MessageBox.Show("Record not found");
}
CPassportNumberBox.Clear();
COriginSelectionBox.ResetText();
CLocalDestinationSelectionBox.ResetText();
CLocalDestinationSelection.Checked = false;
}
catch (ArgumentNullException)
{
MessageBox.Show("Kindly Fill All The Fields");
}
}
}
