ListBox.ScrollIntoView() does not seem to work in WP7

THIS is the answer:

http://dotnet-experience.blogspot.com.es/2010/12/wpf-listview-scrollintoview.html

In a few words: the items are loaded into the ListBox asynchronously, so if you call ScrollIntoView() within the CollectionChanged event (or similar) it will not have any items yet, so no scrolling.

Hope it helps, it surely helped me! ;-)

MSDN says:

When the contents of the ItemsSource collection changes, particularly if many items are added to or removed from the collection, you may need to call UpdateLayout() prior to calling ScrollIntoView for the specified item to scroll into the viewport.

Could that be your problem?