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Editorial Team
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Asked: 2026-05-26T22:05:54+00:00

When calling BeginInvoke on a delegate, the action is executed on a separate thread.

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When calling BeginInvoke on a delegate, the action is executed on a separate thread. If called in ASP.NET does it use a CLR worker thread? Or does it use an IIS worker thread?

If the latter, then I will need to employ an asynchronous ASP.NET pattern to ensure the action is executed on a CLR worker thread. But I would rather not do that if the action ends up there upon BeginInvoke.

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  1. Editorial Team

    it uses a CLR worker thread.

    as described in here

    To begin with, ASP.NET uses the process-wide CLR thread pool to service requests (for more background on the CLR thread pool, see the .NET column in this issue).

    EDIT:

    another resource is this blog

    Unfortunately, the thread used by BeginInvoke is actually taken from the same worker thread pool that is used by ASP.Net to handle Page Requests

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