Create a custom action filter in ASP.NET Core MVC You can take advantage of custom action filters to execute reusable code before or after the execution of an action method.

You can read more about action filters in my earlier article here. In this article we’ll discuss how we can work with dependency injection in action filters in ASP.NET Core 3.1.

Learn how to use asynchronous controller actions in ASP.NET MVC 4 by building a simple Contacts Manager app.

Learn how to use the new Authentication filters in ASP.NET MVC 5, currently in developer preview.