How to use dependency injection in action filters in ASP.NET Core 3.1

Filters enable you to execute code at particular stages of the ask for processing pipeline. An action filter is a filter that is executed in advance of or soon after the execution of an action strategy. By utilizing action filters, you can make your action techniques lean, cleanse, and maintainable.

There are various filters out there for action techniques, just about every of which corresponds to a unique phase of the ask for processing pipeline. You can read through a lot more about action filters in my earlier report listed here. In this report we’ll focus on how we can work with dependency injection in action filters in ASP.Net Main three.1.

To work with the code examples offered in this report, you ought to have Visible Studio 2019 put in in your technique. If you do not previously have a copy, you can download Visible Studio 2019 listed here. 

Build an ASP.Net Main three.1 MVC challenge in Visible Studio 2019

Very first off, let’s develop an ASP.Net Main challenge in Visible Studio 2019. Assuming Visible Studio 2019 is put in in your technique, stick to the ways outlined down below to develop a new ASP.Net Main challenge in Visible Studio.