using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Diagnostics;

using System.IO;

using System.Reflection;

using System.ComponentModel;

using System.Collections.ObjectModel;

​

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using Newtonsoft.Json.Converters;

using Newtonsoft.Json.Serialization;

​

    [JsonObject(MemberSerialization.OptIn)]

    public class ItemRecords : Collection<ItemRecord>  

    {  

        [JsonProperty("property1")]

        public int Property1 { get; set; }  

        [JsonProperty("property2")]

        public int Property2 { get; set; }  

        [JsonProperty("item_record")]

        IList<ItemRecord> ItemRecordList

        {

            get 

            {

                return Items;

            }

​

        }

    }

    public class ItemRecord

    {   

        [JsonProperty("id")]

        public int Id { get; set; }

        [JsonProperty("item_prop1")]

        public string ItemProp1 { get; set; }

    }

    public class Program

    {

        public static void Main()

        {

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

            Console.WriteLine("");

​

            var test = new ItemRecords

            {

                new ItemRecord { Id = 241, ItemProp1 = "0.132" },

                new ItemRecord { Id = 242, ItemProp1 = "1212" },

            };

            test.Property1 = 25;

            test.Property2 = 27;

            var json = JsonConvert.SerializeObject(test, Formatting.Indented);

            Console.WriteLine(json);

            var test2 = JsonConvert.DeserializeObject<ItemRecords>(json);

            var json2 = JsonConvert.SerializeObject(test2, Formatting.Indented);

            Console.WriteLine(json2);

        }

    }