How to return a 200 HTTP Status Code from ASP NET MVC 3 controller

Question

I am writing an application that is accepting POST data from a third party service     When this data is POSTed I must return a 200 HTTP Status Code     How can I do this from my controller

User · Answer

200 is just the normal HTTP header for a successful request   If that s all you need  just have the controller return new EmptyResult

User · Answer

The way to do this in  NET Core is  at the time of writing  as follows   public async Task lt IActionResult gt  YourAction YourModel model        if  ModelState IsValid                return StatusCode 200              return StatusCode 400       The StatusCode method returns a type of StatusCodeResult which implements IActionResult and can thus be used as a return type of your action   As a refactor  you could improve readability by using a cast of the HTTP status codes enum like   return StatusCode  int HttpStatusCode OK     Furthermore  you could also use some of the built in result types  For example   return Ok       returns a 200 return BadRequest ModelState      returns a 400 with the ModelState as JSON   Ref  StatusCodeResult - https   docs microsoft com en-us dotnet api microsoft aspnetcore mvc statuscoderesult view aspnetcore-2 1

User · Answer

You can simply set the status code of the response to 200 like the following  public ActionResult SomeMethod parameters            others code here                 Response StatusCode   200     return YourObject

User · Answer

In your controller you d return an HttpStatusCodeResult like this      HttpPost  public ActionResult SomeMethod    your method parameters go here             todo  put your processing code here       If not using MVC5    return new HttpStatusCodeResult 200         If using MVC5    return new HttpStatusCodeResult HttpStatusCode OK       OK   200

User · Answer

HttpPost      public JsonResult ContactAdd ContactViewModel contactViewModel                if  ModelState IsValid                        var job   new Job   Contact   new Contact                   Mapper Map contactViewModel  job               Mapper Map contactViewModel  job Contact                 db Jobs Add job                 db SaveChanges                   you do not even need this line of code 200 is the default for ASP NET MVC as long as no exceptions were thrown               Response StatusCode    int HttpStatusCode OK               return Json new   jobId   job JobId                       else                       Response StatusCode    int HttpStatusCode BadRequest              return Json new   jobId   -1

[asp.net-mvc] How to return a 200 HTTP Status Code from ASP.NET MVC 3 controller

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