.NET Web API BadRequest() 方法是否等同于 Request.CreateErrorResponse(…)

Question

In our Web API at my company, we currently return our 400 error responses with the code:

return request.CreateErrorResponse(HttpStatusCode.BadRequest, someErrorMessage);

However, in my personal projects with Web API and in some of the documentation, I have seen the much cleaner code for returning various status codes, such as:

return BadRequest(someErrorMessage);

What's the difference between these two methods of returning a 400 response? Which is preferred? Can we safely migrate from one variant to another without any difference in what the consumer of the API will see? We use Swagger, if that makes a difference.

Answer 1

They are just different ways from different libraries for creating response messages and there is no different in the generated response.

In the code i suggest using ApiController built in methods like BadRequest(), InternalServerError() and Ok().

But Some http status codes is not available in ApiController methods like "406 Not Acceptable", "426 Upgrade Required" and etc, so you have to use another way like CreateErrorResponse() method Or you can extend ApiController and create your own methods for generating error responses that more used in your application.