ASP.NET: WebResource.axd call 404 error: how to know which assembly/resource is missing or responsible?
I get a 404 HTTP status error (not found) on a specific WebResource.axd call inside an ASP.NET 3.5 (AJAX) web application. I guess the error is thrown because a specific referenced assembly is missing in the bin folder/GAC. But I don't know which, since the page which requests the resource is very complex (I'm using third-party controls and ASP.NET Ajax.) Is it possible to know from the encrypted "d" querystring parameter of the query, like: .../WebResource.axd?d=... which assembly should create the content and is possibly missing? Note: There are other WebRequest.axd calls which execute with