We're using OpenWeb js libraries on the frontend, and they have a need for the .NET middle tier to send them a specific HTTP header status code when certain types of errors occur. I tried to achieve that by doing this:
public ActionResult TestError(string id) // id = error code { Request.Headers.Add("Status Code", id); Response.AddHeader("Status Code", id); var error = new Error(); error.ErrorID = 123; error.Level = 2; error.Message = "You broke the Internet!"; return Json(error, JsonRequestBehavior.AllowGet); }
It kind of halfway worked. See screenshot: http status code http://zerogravpro.com/temp/pic.png
Notice I achieved the Status Code of 400 in the Response Header, but I really need the 400 in the Request Header. Instead, I get "200 OK". How can I achieve this?
My URL structure for making the call is simple: /Main/TestError/400
There is extended discussion at What is the proper way to send an HTTP 404 response from an ASP.NET MVC action?
What you want to do is set Response.StatusCode
instead of adding a Header.
public ActionResult TestError(string id) // id = error code { Response.StatusCode = 400; // Replace .AddHeader var error = new Error(); // Create class Error() w/ prop error.ErrorID = 123; error.Level = 2; error.Message = "You broke the Internet!"; return Json(error, JsonRequestBehavior.AllowGet); }
If all you want to return is the error code, you could do the following:
public ActionResult TestError(string id) // id = error code { return new HttpStatusCodeResult(id, "You broke the Internet!"); }
Reference: MSDN article on Mvc.HttpStatusCodeResult.
Otherwise, if you want to return other information use
Response.StatusCode = id
instead of
Response.AddHeader("Status Code", id);
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