How to refresh a WPF DataGrid?

Question

I have a WPF DataGrid with some data. You can add rows through a separate window. The DataContext is the same, a LINQ-to-SQL object. Binding is also the same, I bind the \"I

Answer 1

For some reason Items.Refresh() is not working for me. What did work was to make my underlying collection inherit ObservableCollection and then call its Add method.

((ContactUIObjects)dgrdContacts.ItemsSource).Add(new ContactUIObject(o));

ContactUIObjects is just the grids underlying collection.