title: Notifying WPF DataGrid on changes
body: <p>I have a <code>DataGrid</code> bound to the <code>ICollectionView</code> (with filter on). More specifically, I have set <code>view.Filter = SomeFilteringFunction</code> which uses <code>public DateTime DateFrom { get... set... }</code> property, also bound to the <code>DatePicker</code>.</p>
  
  <p>Well, and now, when I change <code>DatePicker</code>, bound property <code>DateFrom</code> is correctly changed but the DataGrid is not obviously re-filtered.</p>
  
  <p>What is the most right way how to notify <code>DataGrid</code> to update itself?</p>
  
  <p>Thank you in advance!</p>
  
  <p>James</p>