private void btnAddGuests_Click(object sender, RoutedEventArgs e)
{
try
{
if (this.btnAddGuests.Content.ToString() == "Update Guest")
{
lstBoxViewGuests.Items.Remove(guest.PassportNo);
guest.Name = txtBoxGuestName.Text;
guest.Age = Convert.ToInt32(txtBoxGuestAge.Text);
guest.PassportNo = txtBoxPassportNumber.Text;
facade.addGuest(guest);
lstBoxViewGuests.Items.Add(guest.PassportNo);
this.btnAddGuests.IsEnabled = false;
this.clearGuestTxtBoxes();
this.btnAddGuests.Content = "Add Guest";
}
else
{
if (countGuest > 6)
{
throw new ArgumentException("There are more than 6 guests!");
}
guest = new Guest();
guest.Name = txtBoxGuestName.Text;
guest.Age = Convert.ToInt32(txtBoxGuestAge.Text);
guest.PassportNo = txtBoxPassportNumber.Text;
if (lstBoxViewGuests.Items.Contains(guest.PassportNo))
{
throw new ArgumentException("Can't have two guests with the same passport number!");
}
countGuest++;
facade.addGuest(guest);
lstBoxViewGuests.Items.Add(guest.PassportNo);
this.btnAddGuests.IsEnabled = false;
this.clearGuestTxtBoxes();
}
}
catch (Exception ee)
{
MessageBox.Show(ee.Message, "Add Guest");
}
}