Actually the approach suggested in the forum is not quite good.
I would suggest you another approach to start the editing. Please invoke the BeginEdit() method of RadGridView instead:
sender, Telerik.Windows.RadRoutedEventArgs e)
Let me know how this works for you.
TRY TELERIK'S NEWEST PRODUCT - EQATEC APPLICATION ANALYTICS for SILVERLIGHT.
Learn what features your users use (or don't use) in your application. Know your audience. Target it better. Develop wisely.
Sign up for Free application insights >>