Error:- Error during serialization or deserialization using the JSON JavaScriptSerializer. The length of the string exceeds the value set on the maxJsonLength property. Solution:- In this help topic, we will use a custom JsonResult Class for ASP.Net MVC to avoid MaxJsonLength Exceeded Exception. The class is called LargeJsonResult. Below is the implementation of the LargeJSONResult class: using System; using System.Web.Script.Serialization; namespace System.Web.Mvc { public class LargeJsonResult : JsonResult { const string JsonRequest_GetNotAllowed = " This request has been blocked because sensitive information could be disclosed to third party web sites when this is used in a GET request. To allow GET requests, set JsonRequestBehavior to AllowGet." ; public LargeJsonResult() { MaxJsonLength = 1024000; RecursionLimit = 100; } public int MaxJsonLength { get; set; } public int RecursionLimit { get;...