ASP.NET - get the meta tag info of the given url (website ) using asp.net or javascript.

hi all,
i was developing a web aplication using asp.net/c#
i have to get the meta tag  information of a given site (url) using c# or javascript ..
how can i do this 

please advice me 
MUTHU

Refer these links-

http://forums.asp.net/t/1446074.aspx/1

http://wiki.asp.net/page.aspx/893/reading-meta-tags-of-any-page-programatically-without-loading-in-browser/

(here you will get example)