What should be done to make a session cookieless

Change the web.config file with the following setting to create a ASP.NET cookieless session ,



set the cookieless attribute to 'false', as

<sessionstate timeout='20' cookieless='false' mode='InProc'>

how will u check whether the user is supportig cookies?

The only way to check whether a client accepts cookies or not is , to create a cookie and read it back.

If you are able to read it back then , its accepting else not.