public void DeleteColodBtn(object sender, RoutedEventArgs e) { if (Colods.SelectedIndex >= 0) { Colod deleteColod = new Colod(); deleteColod = Colods.SelectedItem as Colod; colodServices.DeleteColod(deleteColod.Id); colodServices = new ColodServices(); List <Colod> requestColods = colodServices.GetColod(); Colods.ItemsSource = requestColods; } }