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.

Learn to change the default behavior and return HTTP 404 when action methods in ASP.NET Core return null values.

Here's everything you need to write code for the Session object in ASP.NET Core -- including why you can't expect to migrate your existing ASP.NET MVC application to ASP.NET MVC Core (though Peter has ...

To compensate, this new version of the File method simplifies two common operations that require additional code in ASP.NET MVC: checking for new content and returning part of the file when the client ...