CSharp-Coder

Learn ASP.NET Core global error handling with middleware, ProblemDetails, and logging. Copy-paste C# examples and best practices — start building resilient APIs today. If you have ever shipped an ASP.NET Core API only to watch it leak an ugly stack trace to the client, you already know why ASP.NET Core global error handling matters. A single, centralized place to catch, log, and shape exceptions is the difference between a professional API and one that exposes internals, confuses front-end teams, and buries you in inconsistent error responses. In this tutorial you will learn how to implement global error handling in ASP.NET Core the modern way — using exception handling middleware, the IExceptionHandler interface, standardized ProblemDetails responses, and structured logging. This guide targets .NET 8 and .NET 9 (the same patterns apply going forward into 2026), and every example is runnable. Whether you are a beginner searching "how to handle exceptions in ASP.NET Core...