mardi 10 novembre 2015

Handling 404 error in MVC5

I am trying to redirect user to an controller action while there is any 404 found. Like missing Controller or missing action or bad URL. I am using below approach :

<httpErrors errorMode="Custom" existingResponse="Replace">
  <remove statusCode="404" />
  <error statusCode="404" responseMode="ExecuteURL" path="/Error/PageNotFound" />

But the issues is my action(pageNotFound) is called every time I request a URL. Even if the URL is valid.This may kill performance during production deployment. Any suggestion or another approach

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