private void SearchHittingEnterOrButtonClick()
{
if (festivalHandler.CheckIfCustomerExists(textBoxPhoneNumber.Text))
{
customer = festivalHandler.GetExistingCustomer(textBoxPhoneNumber.Text);
OpenChildForm(new ChangeBookingChildForm());
}
else
{
textBoxPhoneNumber.Text = "";
labelCustomerDoesNotExist.Visible = true;
labelCustomerDoesNotExist.Text = "No booking for that phone number avaliable!\nPlease try again...";
}
}