exceeding maxJsonLength property问题-mvc4

问题：the length of the string exceeds the value set on the

maxJsonLength property

解决方案：

step1: 在web.config里添加

step2: 在controller里添加

protected override JsonResult Json(object data, string contentType, System.Text.Encoding contentEncoding, JsonRequestBehavior behavior)

{  

  return new JsonResult()

    {  

                Data = data,

       ContentType = contentType ,

                ContentEncoding = contentEncoding,                                      

          JsonRequestBehavior = behavior, 

            MaxJsonLength = Int32.MaxValue

    };  

}

问题解决方案来源：

http://stackoverflow.com/questions/1151987/can-i-set-an-unlimited-length-for-maxjsonlength-in-web-config

http://stackoverflow.com/questions/1151987/can-i-set-an-unlimited-length-for-maxjsonlength-in-web-config/12278956#12278956