private async void Button_Click(object sender, RoutedEventArgs e)
{
this.LoadView.Visibility = Visibility.Collapsed;
progrssBar.Visibility = Windows.UI.Xaml.Visibility.Visible;
await Task.Delay(50);
Stopwatch watch = new Stopwatch();
watch.Start();
employees = repository.GetEmployeesDetails(itemCount);
watch.Stop();
PopulationTime.Text = watch.ElapsedMilliseconds.ToString() + " ms";
watch.Reset();
watch.Start();
this.syncGrid.ItemsSource = employees;
watch.Stop();
LoadingTime.Text = watch.ElapsedMilliseconds.ToString() + " ms";
GridView.Visibility = Visibility.Visible;
progrssBar.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
}
public DataVirtualizationViewModel()
{
var repository = new EmployeeInfoRepository();
viewSource = new GridVirtualizingCollectionView(repository.GetEmployeesDetails(1000000));
}