private void BtnSave_Click(object sender, RoutedEventArgs e) { if (string.IsNullOrEmpty(TbCode.Text)) { return; } if (!EmailsValidate()) { LblInfo.Content = Properties.Resources.NO_VALID_EMAIL_FORMAT; return; } var customer = new Customers(Convert.ToInt32(TbCode.Text), TbName.Text, TbEmail1.Text, TbEmail2.Text, TbEmail3.Text); if (_myCustomersManager.Exists(customer)) { _myCustomersManager.Update(customer); } else { _myCustomersManager.Create(customer); } LblInfo.Content = Properties.Resources.CORRECT_SAVE; ControlsClear(); }