Explain the usage of action filters in an MVC application ?

 Posted by Bharathi Cherukuri on 8/27/2012 | Category: ASP.NET MVC Interview questions | Views: 8058 | Points: 40

Action filter in an mvc application is used to perform some additional processing, such as providing extra data to the action method, inspecting the return value, or canceling execution of the action method.
Action filter is an attribute that implements the abstract FilterAttribute class.

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