public MainWindow()
{
StoreDB storeDb = new StoreDB();
InitializeComponent();
products = storeDb.GetProducts();
this.DataContext = products;
view = (ListCollectionView)CollectionViewSource.GetDefaultView(this.DataContext);
view.CurrentChanged += new EventHandler(view_CurrentChanged);
lstProducts.ItemsSource = products;
}
private void Button_Click(object sender, RoutedEventArgs e)
{
products = new ObservableCollection <Product>(StoreDB.GetProducts());
lstProducts.ItemsSource = products;
var a = CollectionViewSource.GetDefaultView(lstProducts.ItemsSource);
}