ASP.NET Core – Log messages to the database in the background

I was reading about logging in ASP.NET when I came across this statement about logging to the database: When logging to SQL Server, don’t do so directly. Instead, add log messages to an in-memory queue and have a background worker dequeue and insert data to SQL Server. Paraphrased from https://docs.microsoft.com/en-us/aspnet/core/fundamentals/logging/?view=aspnetcore-5.0#no-asynchronous-logger-methods In this article, I’ll show … Read more

How to stop the ASP.NET service when a background service crashes

When a background service throws an exception in ExecuteAsync() and stops running, nothing happens. No errors are logged, and the ASP.NET service continues to run. What if you want to stop the ASP.NET service when the background service crashes? To do that, you’ll need to handle exceptions in the background service and call IHostApplicationLifetime.StopApplication(), like … Read more

ASP.NET Core – Dependency inject a background service into the controllers

Let’s say you have a background service called DatabaseLoggerService. It runs as a hosted background service and logs messages to the database. It has the following definition: You want your controllers to use this for logging. They don’t need to know about the concrete DatabaseLoggerService class, and they don’t need to know they are actually … Read more

ASP.NET – How to use a BackgroundService for long-running and periodic tasks

In ASP.NET, when you need a long-running background task, or need to run a task periodically, you can implement IHostedService or BackgroundService and register your class as a hosted service in Startup. As you may have already encountered, if you try to run a long-running background task, the web server will randomly kill your task … Read more