How to return on client error message with status code

Question

I tried to use this:

return Request.CreateResponse(HttpStatusCode.InternalServerError, "My message");

also I tried this one:

return new HttpStatusCodeResult(HttpStatusCode.InternalServerError, "My message");

But I see 500 error on my browser though any message like "My message" are displayed.

You are actually returning 500 error: HttpStatusCode.InternalServerError IS the 500 error. — Floremin
– Floremin, Commented Mar 8, 2013 at 18:50
yes, I know, but also we can return BadRequest status code and other status codes, but I still don't see the way how to send with status code my custom message, though method allows me to put my method. — Sergey
– Sergey, Commented Mar 8, 2013 at 18:53
Where are you returning this from? Action method in a controller? — Floremin
– Floremin, Commented Mar 8, 2013 at 18:54

Floremin · Accepted Answer · 2013-03-08 19:22:55Z

11

To return a specific response code with a message from ASP.NET MVC controller use:

return new HttpStatusCodeResult(errorCode, "Message");

Make sure the method in the controller is type ActionResult, not ViewResult.

edited Mar 8, 2013 at 19:22

answered Mar 8, 2013 at 18:58

Floremin

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3 Comments

Sergey Over a year ago

this is just an exception, I want to return error with status code, it is another thing.

Floremin Over a year ago

I'm sorry, I was under the assumption this would do what you needed. I edited the answer.

Stuart Hallows Over a year ago

Bear in mind that this strategy won't work if you internationalise your code. For example 'return new HttpStatusCodeResult(errorCode, "未能删除用户。");' would not return what you'd expect, you'd only see '???????????'. The message text gets returned in an HTTP header, and only ASCII characters are supported (not all Unicode characters anyway).

apostolov · Accepted Answer · 2020-05-25 11:43:49Z

1

I was able to put a custom message in the error response body with the following code:

Response.TrySkipIisCustomErrors = true;
Response.Clear();
Response.Write( $"Custom Error Message." );
return new HttpStatusCodeResult( HttpStatusCode.InternalServerError );

answered May 25, 2020 at 11:43

apostolov

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Comments

Eduardo Molteni · Accepted Answer · 2013-03-08 19:25:47Z

0

I have an ErrorController that help me throwing the errors and showing a nice error page, the use Response.StatusCode to return a different StatusCode

namespace Site.Controllers {

    [OutputCache(Location = OutputCacheLocation.None)]
    public class ErrorController : ApplicationController {

        public ActionResult Index() {
            ViewBag.Title = "Error";
            ViewBag.Description = "blah blah";
            return View("Error");
        }

        public ActionResult HttpError404(string ErrorDescription) {
            Response.StatusCode = 404;
            ViewBag.Title = "Page not found (404)";
            ViewBag.Description = "blah blah";
            return View("Error");
        }


        ...

    }
}

Edit For returning message-only to ajax results I use something like this in an actionFilter

        Response.StatusCode = 200;

        //Needed for IIS7.0
        Response.TrySkipIisCustomErrors = true;

        return new ContentResult {
            Content = "ERROR: " + Your_message,
            ContentEncoding = System.Text.Encoding.UTF8
        };

edited Mar 8, 2013 at 19:25

answered Mar 8, 2013 at 19:08

Eduardo Molteni

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2 Comments

Sergey Over a year ago

maybe I just use bad approach but I want to receive this message in client side with javascript.

Sergey Over a year ago

ViewBag will not help me with it

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