I have an ASP.NET HttpModule that handles HttpApplication.BeginRequest to redirect some requests to other files. Typically I’ll do something like parse the request, write a file to HttpContext.Current.Response.OutputStream then call HttpApplication.CompleteRequest(). For some requests I can’t find the relevant file – how do I return a 404 error?
I have an ASP.NET HttpModule that handles HttpApplication.BeginRequest to redirect some requests to other
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Have you tried
throw new HttpException(404, "Not Found");?