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Editorial Team
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Asked: 2026-06-17T02:53:03+00:00

For a WCF project I’m working on, I need to implement some kind of

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For a WCF project I’m working on, I need to implement some kind of audit log for the entities we’re persisting. Basically the audit trail will consist of 4 mandatory fields

  • CreatedDateTime
  • CreatedUserID
  • UpdatedDateTime
  • UpdatedUserID

I’m trying to implement this through nHibernate Event Listeners in my DataAccess layer as I think this should not be in the domain layer. So far, I’ve got the DateTime stuff working as expected, but haven’t been able to figure out how to retrieve the userID in the event listener. Ideally, I would like to have the user id as some sort of custom data attached to the nHibernate session object.

Any suggestion is greatly appreciated.

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1 Answer

  1. Editorial Team

    The .Net framework already has builtin support for contextual user identity information: Thread.CurrentPrincipal http://msdn.microsoft.com/en-us/library/system.threading.thread.currentprincipal.aspx

    Use one of the available IPrincipal implementations or create your own – it’s easy. Then set the property early on, in some “begin-request” method.

    There is also HttpContext.User to be aware of in ASP.NET code.

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