Hello Manivannan,
Have you taken a look at the following help article:
http://www.telerik.com/help/aspnet-ajax/editor-migration-from-radeditor-classic-to-radeditor-prometheus.html? It lists properties used in RadEditor Classic and the new ones they correspond to in the AJAX version.
Xhtml is now
Content. It is not a matter of adding more references, but of using the correct API members.
Regards,
Marin Bratanov
Telerik
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 RadControls for ASP.NET AJAX, subscribe to the
blog feed now.