It appears this has been fixed in MVC4. You can do this, which worked well for me: public ActionResult SomeControllerAction() { var jsonResult = Json(veryLargeCollection, JsonRequestBehavior.AllowGet); jsonResult.MaxJsonLength = int.MaxValue; return jsonResult; }
function isJson($string) { json_decode($string); return json_last_error() === JSON_ERROR_NONE; }
I believe the best way to do it, is – as described in your links – to extend ActionResult or extend JsonResult directly. As for the method JsonResult that is not virtual on the controller that’s not true, just choose the right overload. This works well: protected override JsonResult Json(object data, string contentType, Encoding contentEncoding) … Read more