i have created a web service that will we accessible to only authenticated user of the website.when user first time call a web method first he will we authenticated.when authentication is successfull i will create a session for that user.now on next call to the web service by that user i want to use that session means he is authenticated user.But on the next call session becomes null .what is the problem with that.
How to retain the value of the session in web service ? please suggest a way to do that?