Specifying the Problem Details and Controling XML Serialization
Explore how to specify detailed problem information in API responses using the ProblemDetails class and manage XML serialization issues in ASP.NET Core. Learn to customize error responses and prevent serialization warnings by excluding problematic properties with attributes. This lesson helps you handle API client errors effectively and control XML output in your web services.
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A feature added in ASP.NET Core 2.1 and later implements a web standard for specifying problem details. In Web API controllers decorated with [ApiController] in a project where compatibility with ASP.NET Core 2.2 or later is enabled, action methods that return IActionResult and return a client error status code, 4xx, which will automatically include a serialized instance of the ProblemDetails class in the response body. If we want ...