ASP.NET MVC filters can be defined once and used in multiple places. Because ASP.NET MVC also provides the ability to create custom filters, it's good practice to learn how to make them and use them ...

[Editor's note: Peter rewrote this article after a reader pointed out he over-engineered his original solution. ("What can I say: The code worked -- I just didn't need nearly as much code as I thought ...

Learn to change the default behavior and return HTTP 404 when action methods in ASP.NET Core return null values. ASP.NET Core MVC is the .NET Core counterpart of the ASP.NET MVC framework. You can ...

Take advantage of filters to execute custom code at specific points in the request processing pipeline and avoid code duplication across actions. Filters allow you to run code at certain stages of the ...