Control serializer in JsonResult aka Json function in ASP.Net MVC?

Question

Is there a way to configure what JSON serializer is used when returning JSON via the JsonResult in the controller:

public ActionResult SomeJsonFunction()
{
  var x = SomeModelCode.SomeModelFunction();
  return Json(x);
}

It looks like the default is the JavaScriptSerializer. I would love to be able to use the DataContractJsonSerializer, but cannot find any documentation on how to do this.

Matt Hinze · Accepted Answer · 2009-01-01 03:29:08Z

5

Check the source to see how JsonResult is implemented. Derive from ActionResult with your DataContractJsonSerializer implementation. Right now it won't be easy to use the Json() helper method, but you could create your own helper method in a layer supertype controller. Your new helper method would return your new ActionResult derivation.

answered Jan 1, 2009 at 3:29

Matt Hinze

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2 Comments

Jason Jackson Over a year ago

That is exactly what I ended up doing. It just instantiates the JavascriptSerializer, and is fairly trivial to write an ActionResult derived DataContractJsonResult.

Doug Over a year ago

Thanks a bunch! This solved a problem we were having with circular references and the other fallbacks of the JavaScriptSerializer.

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