private async void getData()
{
progressBar.Visibility = Windows.UI.Xaml.Visibility.Visible;
Linea linea = await DBSource.getLinea(nomeLinea);
trains = new ObservableCollection <TrainStop>();
try
{
foreach (TrainStop trainstop in await linea.Fermate)
{
trains.Add(trainstop);
}
} catch (Exception)
{
//NIENTE
}
itemListView.ItemsSource = trains;
NomeLinea.Text = linea.Name;
progressBar.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
}