Hi Girish,
Thank you for your interest in Syncfusion Products.
I am afraid that I am not able to reproduce the issue reported by you. We would like to suggest you to install VS2008 SP1.
http://www.microsoft.com/downloads/details.aspx?FamilyId=FBEE1648-7106-44A7-9649-6D9F6D58056E&displaylang=enand the Javascript intellisense patch.
http://weblogs.asp.net/scottgu/archive/2008/11/21/jquery-intellisense-in-vs-2008.aspxPlease let us know if you have any other concerns.
Thanks,
Rekha