using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Diagnostics;

using System.IO;

using System.Threading;

using System.Collections.ObjectModel;

using System.Reflection;

using System.Runtime.Serialization;

using System.Data;

using System.ComponentModel;

using System.Globalization;

using System.Collections.Specialized;

using System.Runtime.InteropServices;

using System.Text.RegularExpressions;

using System.Net;

using System.Runtime.Serialization.Formatters;

​

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using Newtonsoft.Json.Converters;

using Newtonsoft.Json.Serialization;

// https://stackoverflow.com/questions/43079403/json-array-in-newtonsoft-using-c-sharp

​

    public class Program

    {

        static JToken GetGoodJson()

        {

            var root = new JObject

            (

                new JProperty("attrList",

                    new JArray

                    (

                        new JObject

                        (

                            new JProperty("name", "Attendee Status"),

                            new JProperty("val", "Accepted")

                        ),                  

                        new JObject

                        (

                            new JProperty("name", "Attendee Type"),

                            new JProperty("val", "Attendee")

                        )

                    )

                )

            );

            return root;

        }

​

        static JToken GetBadJson()

        {

            var root = new JObject

            (

                new JProperty("attrList",

                    new JArray

                    (

                        new JObject

                        (

                            new JProperty("name", "Attendee Status"),

                            new JProperty("val", "Accepted"),

                            new JProperty("name", "Attendee Type"),

                            new JProperty("val", "Attendee")

                        )

                    )

                )

            );

            return root;

        }

        public static void Main()

        {

            Console.WriteLine("Required JSON: ");

            var json = GetGoodJson();

            Console.WriteLine(json);

            try

            {

                Console.WriteLine("Attempting to reproduce the problem: ");

                Console.WriteLine(GetBadJson());

            }

            catch (Exception ex)

            {

                Console.WriteLine(ex.Message);

            }

        }

    }

​