retrieving session id from source link

Question

Hi gus

im trying to get session id from a link which is http://www.watever.com/form.aspx 
WebRequest webReq = WebRequestFactory.Create("http://www.watever.com/form.aspx");
WebResponse webRes = WebResponse.GetResponse();
n then stream reader to read the stream but unable to get session id. PLz help me out


Regards
Shaukat Waqar