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My new book ASP.NET Core in Action, Third Edition is available now! It supports .NET 7.0, and is available as an eBook or paperback.

The dangers and gotchas of using scoped services in IConfigureOptions
In this post I look at the problems you can hit with strongly-typed settings when you inject Scoped services into IConfigureOptions, and how to avoid them…

Adding decorated classes to the ASP.NET Core DI container using Scrutor
In this post I show how to do service decoration with Scrutor, where services "wrap" another implementation of the service…

Using Scrutor to automatically register your services with the ASP.NET Core DI container
In this post I describe how to use the open source library Scrutor to add assembly scanning capabilities to the ASP.NET Core DI container.…

How to register a service with multiple interfaces in ASP.NET Core DI
In this post I describe how to register a class that implements multiple interfaces with the ASP.NET Core DI container, and how to avoid a common bug…

The difference between GetService() and GetRequiredService() in ASP.NET Core
This post looks at the GetService() and GetRequiredService() methods of the ASP.NET Core DI container, the difference between them and which you should use…

Controller activation and dependency injection in ASP.NET Core MVC
In this post, I'll describe how controllers are created in ASP.NET Core MVC using the IControllerActivator and the options available out of the box.…

