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My users are constantly logged off the web app, so I am trying to use <sessionState mode="StateServer" cookieless="false" timeout="480" /> but I get a server error 500 because JQGrid cannot be serialized. Any ideas?

Ungaro
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  • jqGrid just send HTTP request to the server. The error 500 means an error in the server code.Login/logout state of the user is pure server problem. – Oleg Feb 11 '16 at 11:10
  • Thanks for the reply, Oleg. I use JQGrid MVC, lots of server-side code. The error 500 occurs because all session state data must be serialized in StateServer session state mode. I am unable to serialize my instances of JQGrid in the model on the server. In other words, all the pages work fine which do not have a JQGrid instance but none that have one work and emit an error 500. – Ungaro Feb 11 '16 at 15:15

2 Answers2

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Change Webconfig sessionState to InProc and change IIS WorkerProcess to 1 

"<system.web>    
<sessionState mode="InProc" timeout="25"></sessionState>

Rathesh
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  • No, I want to use StateServer because for some reason w3wp.exe keeps terminating hourly and I do not want my users logged off. – Ungaro Jul 06 '16 at 16:55
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I stopped using

Session["MyGridState"] = model.MyGrid.GetState();
Ungaro
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