Aspnet Web Api Return Response Status

Agustus 24, 2022 Posting Komentar

This is meant to be a convenience feature but if your calling API depends on a proper JSON response or an HTTP 200 result code it can cause applications to break. You can pass the status code number.

The Best Option To Use For A Return Type In Asp Net Core Webapi Controller

If no formatter is configured for the requested format the first formatter that can format the object is used.

Aspnet web api return response status. Status codes without such a shortcut method can be returned through the StatusCode method which accepts an integer as an input. Now we get 200 - OK as the status code. HttpGet public IActionResult Get var rng new Random.

Popular Answer You should return Content. Returns 406 Not Acceptable if MvcOptionsReturnHttpNotAcceptable is set to true or - Tries to find the first formatter that can produce a response. If no payload is desired the server should send a 204 NoContent status code.

You can change the content via the value parameter. HTTP Status Code 200 OK If your controller method returns IActionResult The HTTP 200 OK status code indicates success. In AspNet Core we can use the following methods to return the 201 status code.

HTTP11 204 No Content Server. Now lets look at how we can change the response status code. But we didnt tell ASPNET to return this code so why did it.

The simplest action returns a primitive or complex data type for example string or a custom object type. Mon 27 Jan 2014 021326 GMT HttpResponseMessage. StatusCode is from MicrosoftAspNetCoreMvcControllerBaseStatusCode and StatusCodes from.

Youve reached your limit for the day. The first overloaded version which does not take any input parameter will create an object that produces an empty HTTP 200 OK Status code as a response. If no formatter is found that can satisfy the clients request ASPNET Core.

Public class UnauthorizedWithMessageResult. Before understanding this let us first create a new ASPNET Core Web API project with the name. In this post Ill describe why this can be a problem and how you can return proper JSON results for null values.

If you check the ControllerBase class then you will find two overloaded versions of the OK method as shown below. This response also meant the response has the payload. HTTP Status Codes.

Var response new HttpResponseMessage HttpStatusCodeUnauthorized. 429 - Too Many Requests Content-Type. Notice that we didnt have the ModelState checking in our Get action method this is because ASPNET Core did it for us as we have the ApiController attribute on top of our controller.

ASPNET Cores default API handlers return an HTTP 204 response for null value results. We have the simple code above which will return list of strings if ID parameter is greater than 0 otherwise will return null. ApiController public void Post HTTP response.

ActionResult Let us discuss each of them in detail. ActionResult This document explains when its most appropriate to use each return type. This is the default error response returned by the API.

Public IActionResult IWillNotBeCalled return new UnauthorizedWithMessageResultMY SQL ERROR. The ProblemDetails class is the HTTP standard for handling bespoke errors read this and it essentially returns a simple JSON object that you need to consume with care. Like 1 2 3 4 5 6 HttpGet Route AnotherMethod public IActionResult AnotherMethod.

ASPNET Core offers the following options for web API controller action return types. Public async Task. In ASPNET Core Web API in three different ways we can return data from the controller action method.

Public class ValuesController. ASPNET Core provided the OK method to return HTTP 200 Status Code. Here is a filter that converts NotImplementedException exceptions into HTTP.

Created CreatedAtAction CreatedAtRoute All these methods need the URL to get the newly created resource. C cs This generates the response. However they are declared in a separate namespace and function separately.

Translated to HTTP for any returned data well have 200 OK status code response. They are as follows. In particular the HandleErrorAttribute class used in MVC does not handle exceptions thrown by Web API controllers.

The ProblemDetails Class and HTTP Status Codes. While consuming an API an HTTP Request is sent and in return the response is sent along with the return data and a HTTP code. Because if you return any serializable object from a Web API action the response automatically becomes 200 - OK with the object written in to the response body.

If we remember the HTTP response creation of Web API 10 we used to use write 3 to 4 lines of code to create one full fledge HTTP response by setting the status code and media type with an appropriate message. Critically the response header status code goes back as 200 so you have to have to enquire into the response body. If the return type is void Web API simply returns an empty HTTP response with status code 204 No Content.

Youve reached your limit for the day. There is no need to create your own extension method on the ApiController class like in the accepted answer. Content is method on the ApiController class which will create a NegotiatedContentResult with the provided HttpStatusCode and content.

Since ASPNET Core version 22 using the ControllerBase built-in methods for returning the HTTP status code responses like Ok or BadRequest automatically formats the response as the ProblemDetails class. Altering the Response Status Code. With all the cases we have mentioned above we can simply set ResponseStatusCode right before returning the result to the appropriate status code we want to respond with.

Controller Action Return Types in ASPNET Core Web API. Return Content HttpStatusCodeConflict original. In any case if you want to return a status code from your ASPNET Core API all you have to do is in your controller method 1return StatusCodeStatusCodesStatus500InternalServerError.

In the above action method if there is no student with specified id in the DB then it will return HTTP 404 Not Found status code otherwise it will return 200 OK status with student data. Return StatusCode StatusCodesStatus429TooManyRequests value. Here i return msg in text Help to its return in json.

For example an http GET request httplocalhostxxxxapistudentid100 will get following response considering student with id100 does not exists in the DB. Of course if you wanted to explicitly specify that return code all you would need to do is change. Created HttpPost public IActionResult AddEmployee FromBody Employee model code to add new employee here int id call to service.

The style is something like this. Public UnauthorizedWithMessageResultstring message _message message. Sometimes you will need to return status codes without such an inbuilt method.

In case of no data we will have 204 NoContent response. Customizing the error response. Exception filters in ASPNET Web API are similar to those in ASPNET MVC.

One can use the built-in type Ok as below 1. This is done thanks to the ApiController attribute in our controllers. IActionResult private readonly string _message.

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