web-api

Building RESTful APIs with ASP.NET Core

Web Error Handling Best Practices in ASP.NET Core Web API (.NET 10+)

Discover best practices for error handling in ASP.NET Core Web API with .NET 10+. Compare middleware vs IExceptionHandler for performance and maintainability. Implement custom error responses without ProblemDetails for robust APIs.

#aspnet-core
#error-handling
#middleware
#web-api
#exception-handler

1 answer• 1 view

01/22/2026, 07:43 AM

Web Fix CORS Preflight OPTIONS Failures in ASP.NET Web API 2 OWIN

Resolve CORS preflight (OPTIONS) failures in ASP.NET Web API 2 on IIS with OWIN OAuth/JWT auth. Fix duplicate pipelines, middleware order, IIS handlers, and OPTIONS blocks for Angular frontend.

#cors
#asp-net
#web-api
#owin
#iis

1 answer• 1 view

01/06/2026, 04:47 PM