private void LoginAttempt(LoginDataItem data)
 {
     if (data.LoginSuccessul == true)
     {
         MessageBox.Show("User successfully authenticated.");
     }
     else
     {
         MessageBox.Show("User authentication faild.");
     }
 }
 private void AutentificationAction(LoginDataItem dataItem, Exception ex)
 {
     MessengerInstance.Send(dataItem);
 }