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I have a fileresult method in asp.net mvc4 that returns a report in an excel file. Now how can i return an error message from this method if my conditions are not met !! Since we can only return a file from this method ?!
Thnks
You can change signature of action method to
public ActionResult MyMethod()and returnFileResultwhenModelState.IsValid==trueandViewResultwhenModelState.IsValid==false