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.Xml.Serialization;

using System.Runtime.Serialization;

​

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using Newtonsoft.Json.Converters;

using Newtonsoft.Json.Serialization;        

    public class RecordDataTableConverter : Newtonsoft.Json.Converters.DataTableConverter

    {

        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)

        {

            if (reader.TokenType == JsonToken.Null)

                return null;

            if (reader.TokenType == JsonToken.StartObject)

            {

                var token = JToken.Load(reader);

                token = new JArray(token.SelectTokens("records[*].record"));

                using (var subReader = token.CreateReader())

                {

                    while (subReader.TokenType == JsonToken.None)

                        subReader.Read();

                    return base.ReadJson(subReader, objectType, existingValue, serializer); // Use base class to convert

                }

            }

            else

            {

                return base.ReadJson(reader, objectType, existingValue, serializer);

            }

        }

    }

​

    class TestClass

    {

        static string GetJson()

        {

            var json = @"{""records"":[{""record"":{""Ch_ID"":""27"",""User_id"":""1"",""Ch_Name"":""test1"",""Ch_Description"":""test1description"",""Ch_Starttime"":""""}},{""record"":{""Ch_ID"":""29"",""User_id"":""1"",""Ch_Name"":""w"",""Ch_Description"":""ww"",""Ch_Starttime"":""12""}},{""record"":{""Ch_ID"":""30"",""User_id"":""1"",""Ch_Name"":""qq"",""Ch_Description"":""qqqdescription"",""Ch_Starttime"":""1222""}},{""record"":{""Ch_ID"":""31"",""User_id"":""1"",""Ch_Name"":""v"",""Ch_Description"":""vv"",""Ch_Starttime"":""1""}},{""record"":{""Ch_ID"":""32"",""User_id"":""1"",""Ch_Name"":""n"",""Ch_Description"":""nnnn"",""Ch_Starttime"":""111""}}]} ";

            return json;

        }

​

        public static void Test()

        {

            var json = GetJson();

​

            Console.WriteLine("Original JSON: ");

            Console.WriteLine(json);

            var settings = new JsonSerializerSettings

            {

                Formatting = Formatting.Indented,

                Converters = new[] { new RecordDataTableConverter() },

            };

​

            var table = JsonConvert.DeserializeObject<DataTable>(json, settings);

​

            var json2 = JsonConvert.SerializeObject(table, settings);

​

            Console.WriteLine("\nRe-serialized data table: ");

            Console.WriteLine(json2);

        }

    }

    public class Program

    {

        public static void Main()

        {

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

​

            TestClass.Test();

        }

    }