Read original post by Deyan Ginev at The Telerik Blogs
The standard Silverlight for Windows Phone ListBox, as many of you already now, can be easily tuned to use a different Items Panel from the standardized Stack Panel. This is a really very powerful feature that many of pointed out was missing in RadDataBoundListBox. Since the WrapPanel is another commonly used layout panel in the ListBox context, many of you asked for similar feature in RadDataBoundListBox provided that it further extends to supporting the powerful UI virtualization approach that we already use in our control.