Maintaining ASP.NET Sessions

Question

Is there a way to mainain user sessions when replacing the project dll on the webserver? For example, I have 10 users logged in with active sessions. I have some changes to push to the server, so I have to replace the project.dll file in the bin folder. When I do this, its forcing the project to 'restart' itself and all users lose their session. I have also tried making this a non-compiled web project -- where the aspx.cs files are referenced via 'src' rather than 'codebehind' -- so there is no dll, just individual files. This seems to help, but isn't 100% reliable and sometimes sessions are still lost. Is there any way around this? Thanks, -Chris B.

S_Kiryazov · Answer

When you restart the application the session state is lost because it is stored in the application process. This is defined from the mode attribute of the sessionState element of Web.Config. The default value is InProc and as Pradeep.s said, you can alternatively set it to StateServer or SqlServer. You can set the sessionstate to be stored in an sql server database like this I guess this will keep the session even if you restart the server but it issues a database transaction every time you access the session. You can also use StateServer that will store the session state in a separate process. This is faster and less reliable than SqlServer

pradeeps · Answer

Session state information can be maintained outside in a StateServer or SqlServer. may be this will help.

Maintaining ASP.NET Sessions

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