private void Button_AddContactManPhone_Click(object sender, RoutedEventArgs e)
 {
     AddUserHelper.AddPhoneNumber(ContactPhonNumber1, ContactPhonNumber2, ContactPhonNumber3, TB_ContacnManPhone);
 }
 private void Button_AddDirectPhone_Click(object sender, RoutedEventArgs e)
 {
     AddUserHelper.AddPhoneNumber(DepartmentPhoneNumber1, DepartmentPhoneNumber2, DepartmentPhoneNumber3,
                                  TB_DirectorPhone);
 }
 private void Button_AddUserPhone_Click(object sender, RoutedEventArgs e)
 {
     AddUserHelper.AddPhoneNumber(PhoneNumber1, PhoneNumber2, PhoneNumber3, TB_UserPhone);
 }