ASP.NET - How to use WYSIWYG editor in asp.net

Hi frndz!

I'm doing project in asp.net.c#. In my project i have to use html editor(i.e) WYSIWYG. How to use this feature in my project anyone can help me plz its very urgent!Guide me plz. I seen in telerik. In that model only i want but i want that means i have to purchase that. its only having demo. So help me how to implement that in my project.Any other way to implement that in my project?Tell me frndz!

have a look at FCKEditor
http://drupal.org/project/fckeditor 

HI

It is in drupal. Iam asking in asp.net? can you provide me. iam download it and seen it is in php. i want coding in asp.net.So explain me in detail