WPF DataGrid not updating on PropertyChanged

Question

i\'ve a problem updating my datagrid when clicking the button by using NotifyPropertyChanged. It works if i set the DataGrid.ItemsSource in code behind, but it doesn\'t if i

Answer 1

In your codebehind .xaml.cs create property

   public ObservableCollection MyCollection {get; set;}

   private void Window_Loaded(object sender, RoutedEventArgs e)
   {
    //if i set the ItemsSource here, updating of the UI works
      dataGrid1.ItemsSource = MyCollection;
   }

In XAML: