using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Runtime.Serialization.Formatters;

using System.IO;

using System.Data;

using System.ComponentModel.DataAnnotations;

using System.Globalization;

using System.Reflection;

​

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using Newtonsoft.Json.Converters;

using Newtonsoft.Json.Serialization;    

​

using NUnit.Framework; // Throws NUnit.Framework.AssertionException

​

//https://stackoverflow.com/questions/53130847/jsonserilaizationexception-parsing

​

    public class ElementContainer

    {

        public DataTypes ContainerDatatype { get; set; }

    }

​

    public class Layout

    {

        public List<ElementContainer> ElementContainer { get; set; }

    }

​

    public class RootObject

    {

        public List<Layout> Layout { get; set; }

    }

​

    public enum DataTypes

    {

        Integer,

        String,

        Object,

    }

​

    class TestClass

    {

        public static void Test()

        {

            var jsonString = GetJson();

​

            var errorStack = new Stack<Newtonsoft.Json.Serialization.ErrorEventArgs>();

            var settings = new JsonSerializerSettings

            {

                Converters = { new StringEnumConverter() },

                Error = (o, e) => errorStack.Push(e)

            };

            try

            {

                var root = JsonConvert.DeserializeObject<RootObject>(jsonString, settings);

            }

            catch (JsonException ex)

            {

                var last = errorStack.Last();

                var member = last.ErrorContext.Member;

                var path = last.ErrorContext.Path;

                var objectsStack = String.Join(", ", errorStack.Where(e => e.CurrentObject != null).Select(e => e.CurrentObject.ToString()));

​

                Console.WriteLine("Exception parsing JSON: ");

                Console.WriteLine(ex.Message);

                Console.WriteLine("Error context details: ");

                Console.WriteLine("   Path: {0}\n   Member: {1}\n   Object stack = {{{2}}}", 

                                  path, member, objectsStack);

                //The following prints Data.Count = 0 indicating there is no useful information recorded in the Data dictionary.

                Console.WriteLine("   Data.Count = {0}", ex.Data.Count); 

            }

        }

        static bool TryDeserialize<TRootObject>(string jsonString, out TRootObject root)

        {

            var errorStack = new Stack<Newtonsoft.Json.Serialization.ErrorEventArgs>();

            var settings = new JsonSerializerSettings

            {

                Converters = { new StringEnumConverter() },

                Error = (o, e) => errorStack.Push(e)

            };

            try

            {

                root = JsonConvert.DeserializeObject<TRootObject>(jsonString, settings);

                return true;

            }

            catch (JsonException ex)

            {

                var last = errorStack.Last();

                var member = last.ErrorContext.Member;

                var path = last.ErrorContext.Path;

                var objectsStack = String.Join(", ", errorStack

                                               .Where(e => e.CurrentObject != null)

                                               .Select(e => e.CurrentObject.ToString()));

                Console.WriteLine("Exception parsing JSON: ");

                Console.WriteLine(ex.Message);

                Console.WriteLine("Error context details: ");

                Console.WriteLine("sdsd   Data.Count = {0}", ex.Data.Count);

                Console.WriteLine("   Path: {0}\n   Member: {1}\n   Object stack = {{{2}}}", 

                                  path, member, objectsStack);

                root = default(TRootObject);

                return false;

            }

        }   

        static string GetJson()

        {

            var json = @"{

   ""Layout"":[

      {

         ""ElementContainer"":[

            {

               ""ContainerDatatype"":""[IncorrectDataType]""

            }

         ]

      }

   ]

}";

            return json;

        }

    }

​

    public class Program

    {

        public static void Main()

        {

            Console.WriteLine("Environment version: " + Environment.Version);

            Console.WriteLine("Json.NET version: " + typeof(JsonSerializer).Assembly.FullName);

            Console.WriteLine();

​

            try

            {

                TestClass.Test();

            }

            catch (Exception ex)

            {

                Console.WriteLine("Failed with unhandled exception: ");

                Console.WriteLine(ex);

                throw;

            }

        }

    }

​