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IExceptionFilter Interface


Defines the methods that are required for an exception filter.

Namespace:   System.Web.Mvc
Assembly:  System.Web.Mvc (in System.Web.Mvc.dll)

public interface IExceptionFilter


Called when an exception occurs.


In ASP.NET MVC versions 1 and 2, the OnException filters ran in forward order. In ASP.NET MVC version 3 and higher, the order is reversed. Exception filters in ASP.NET MVC have a similar behavior to exception handlers in the .NET Framework, which unwind from the inside out.

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