ASP.NET Session size limitation

Question

Is there some kind of Session size limitation or advisable value to not to surpass ?

In my web application I create a few DataTables to store user selections which a

Answer 1

You should always assume session is a very valuable storage and very limited. The consumption should be as little as possible, because you can never know how many users the application is going to support.

DataTable can be too large to store in sessions, unless it can be kept small enough.