To assine dynamic role through portal service......
i have to assing some role dynamically to currentlly loggin user.
i got how to assing role to user dyanamically.but i think i have to right that code in some portal service,that service will call when any user login to the portal.
i dont have any idea about portal service.
so please help me on this topic and any code or link please give that.
thanks in advance