What is the use of profiles in ASP.NET?

Answer:

ASP.NET provides profile feature to keep track of user data. Although a profile is similar to session state object, it persists between user session as it is stored in a database.

For example we can use profiles we can keep track of the products ordered by an user in an shopping application and when the user starts a new session, you can display those products in a "ordered items" listbox.