On Monday, AjaxDataControls 1.0 was released. This library was developed to work with ASP.NET Ajax Extension. This project's main goal was to develop some rich data controls, to allow replacement of the core ASP.NET controls and provide client-side api calls that were similar to the Server side components.
The current release contains the following controls:
Click on the above links to see a demo of the controls.
Kazi Manzur Rashid provides some screen shots in his blog post which can be found here. The library can be downloaded at Codeplex on the project website located here. For anyone looking for these types of controls they seem to be pretty impressive.