private void txtPhoneNumberBookings_TextChanged(object sender, EventArgs e)
{
try
{
btnShowBookings.Visible = true;
txtPhoneNumberBookings.BackColor = HelperClass.ChangeBackColorPhone(txtPhoneNumberBookings.Text);
}
catch (Exception)
{
btnShowBookings.Visible = false;
txtPhoneNumberBookings.BackColor = Color.LightCoral;
}
}