Microsoft’s November release of .NET 8 brought all kinds of great new features. One of the nice improvements introduced in ASP.NET Core 8 is IExceptionHandler, an interface that makes it easier to handle exceptions gracefully in ASP.NET Core web applications.
Error handling has a long history in programming languages and frameworks. IExceptionHandler simplifies error handling by providing a callback and a central location for handling known exceptions. In this article we’ll discuss how you can use IExceptionHandler in your ASP.NET Core 8 applications and present meaningful error responses to the user.