private void Logout(object sender, RoutedEventArgs e) { LoginCommand Logger = new LoginCommand(); if (Logger.LogOut()) Debug.WriteLine("Logout SUCCESSFUL"); else Debug.WriteLine("Logout FAILED"); Debug.WriteLineIf(Logger.LoggedAs().username !=null, "Logged as:" + Logger.LoggedAs().username); if (NavigationService.CanGoBack) { NavigationService.GoBack(); } else { NavigationService.Navigate(new Uri("/Pages/MainPage.xaml?", UriKind.Relative)); } }