private void OnAddServiceCliked(object sender, RoutedEventArgs e) { using (var db = new StreamingContext()) { db.AddStreamingService(_streamingService); db.SaveChanges(); List <StreamingService> items = new List <StreamingService>(); foreach (StreamingService el in db.GetAllStreamingServices()) { items.Add(el); } lvDataBinding.ItemsSource = items; MessageBox.Show($"Der er oprettet en ny service med navn: {_streamingService.Name}"); _streamingService = new StreamingService(); DataContext = _streamingService; } }