I have already replied to the same question you have asked in this
forum thread, so that you can find my answer there.
Could I also ask you to post only one thread per question in future? This will keep the conversation concise and in one place, without duplicating content and efforts.
Thank you for your cooperation.
If you want to get updates on new releases, tips and tricks and sneak peeks at our product labs directly from the developers working on the UI for ASP.NET AJAX, subscribe to the blog feed