// deletes a customer provided that he/she has no outstanding bookings
private void btnDeleteCust_Click(object sender, RoutedEventArgs e)
{
try
{
int bookings = DataLayer.DataLayerFacade.OutstandingBookings(Convert.ToInt32(lblCustNumb.Content));
if (bookings == 0)
{
DataLayerFacade.DeleteCustomer(Convert.ToInt32(lblCustNumb.Content));
CustomerL CustomerList = new CustomerL();
CustomerList.Show();
this.Close();
MessageBox.Show("Customer has been deleted");
}
else
{
MessageBox.Show("The customer has outstanding bookings. Please cancel those bookings if you want to remove the customer");
}
}
catch (Exception)
{
MessageBox.Show("Unable to delete the customer at the moment. Please try again later.");
}
}
