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file, but the handler never gets called. What could be wrong?

April 26, 2017called file handler wrong

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file, but the handler never gets called. What could be wrong?

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Ans) In addition to being mapped to a file type (or specific file name) in a CONFIG file, an HTTP handler has to be registered in the IIS metabase. For example, if you register an HTTP handler with the Web.config file shown below, you also have to map *.igen to Aspnet_isapi.dll in the IIS metabase. Otherwise, ASP.NET doesn’t see the request and can’t forward it to the handler.