// Slet Greenkeeper public async void DeleteGreenkeeper() { try { if (Mwm.SelectedWorker == null) { throw new Exception(); } PersistencyService.DeleteGreenkeeper(Mwm.SelectedWorker.GreenkeeperID); Mwm.GreenkeeperInfoCollection.Clear(); await Mwm.GreenkeeperHandler.GetGreenkeeperCollection(); ContentDialog Gcd = new ContentDialog(); Gcd.Content = "Greenkeeper er slettet"; Gcd.PrimaryButtonText = "OK"; await Gcd.ShowAsync(); } catch (Exception) { ContentDialog Gcd = new ContentDialog(); Gcd.Content = "Vælg venligst en greenkeeper"; Gcd.PrimaryButtonText = "OK"; await Gcd.ShowAsync(); } }