ASP.NET - storing classes in session variables - how does it work (memory)?

Question

I read that you can store classes directly in a session variable i.e.

Session["var"] = myclass;

My question is how memory management works. Does it automatically serialize this in a client-side session?

Or does it store the data for the class instance in the server’s memory and simply contains the link in the session object?

Answer 1

ASP.Net will store your object in a staticnested dictionary in memory on the server.
Then it sends a cookie to the client with the session ID.

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Answer 2

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Answer 3

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Answer 4

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Your default session lasts 20 minutes. You can change this in the web.config file as you wish. But after this time, the Garbage collection will delete it from memory.