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How to find out size of session in ASP.NET from web application?
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You can store as much data as you like within in sessions. All sessions are stored on the server. The only limits you can reach is the maximum memory a script can consume at one time, which by default is 128MB.
ASP.NET session state identifies requests from the same browser during a limited time window as a session, and provides a way to persist variable values for the duration of that session. By default, ASP.NET session state is enabled for all ASP.NET applications.
If you're trying to get the size of Session during runtime rather than in debug tracing, you might want to try something like this:
long totalSessionBytes = 0;
BinaryFormatter b = new BinaryFormatter();
MemoryStream m;
foreach(var obj in Session)
{
m = new MemoryStream();
b.Serialize(m, obj);
totalSessionBytes += m.Length;
}
(Inspired by http://www.codeproject.com/KB/session/exploresessionandcache.aspx)
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