InfoPath Dev

Hi Sivakumar,

I haven't tried this webservice yet but here is a blog which shows how use the Spell Check for SharePoint:

http://www.codeguru.com/csharp/csharp/cs_webservices/tutorials/article.php/c15519/Modifying-Spell-Check-for-SharePoint-Server-2007.htm

I hope I'm able to point you toward the right direction.

Regards,