setting jsonSerialization maxJsonLength in ASP.net Web.Config gives 500 error

Question

So, I keep getting the 500 - Internal server error page on my .net site when I set the maxJsonLength in my web.config.

I\'m modifying the .config because even though

Answer 1

As none of above worked for me so I used this-

JsonResult result = Json(, JsonRequestBehavior.AllowGet);
result.MaxJsonLength = int.MaxValue;
return result;