Filter in ASP.NET MVC

What are Filter's in ASP.NET MVC ?

Filters are the custom classes in ASP.Net MVC that provide functionality to manage the pre-action and post-action behaviour of the controller action.

If you want to perform any operation after or before any method execution or before result displayed to the user or on exception then these filters are very useful.

There are 5 types of Filters in ASP.Net MVC.

• Authorization filters

• Action Filters

• Authentication Filters

• Result filters

• Exception filters

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