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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.

Exploring the .NET Core MCR Docker files (updated): runtime vs aspnet vs sdk
In this post, I look at the various Docker base images available for .NET Core development on MCR, how they differ, and when you should use each of them.…

Creating my first Azure Functions v2.0 app: a WebHook and a timer
In this post I show how to create an Azure Functions app with a timer that triggers a build on Netlify, and a WebHook that clears the cache in Cloudflare.…

Creating a not-empty GUID validation attribute and a not-default validation attribute
In this post I describe an MVC validation attribute that verifies a GUID doesn't have the default Empty value. I also present a generalised version.…

Why isn't my session state working in ASP.NET Core? Session state, GDPR, and non-essential cookies
In this post I describe why session state appears to not work in ASP.NET Core 2.1+ apps, discuss the GDPR features, and how to work around any issues.…
in ASP.NET Core
An introduction to ASP.NET Core Razor Pages
In this post I provide an introduction to Razor Pages, the basics of getting started, and how Razor Pages differs from MVC…

Reducing initial request latency by pre-building services in a startup task in ASP.NET Core
In this post I show a startup task that pre-builds all the services registered in the DI container to reduce the duration of the first request to the app.…

