using System;

using Newtonsoft;

using System.Collections;

using System.Data;

using System.Linq;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        DataTable dt = new DataTable();

        dt.Columns.Add( "A");

        dt.Columns.Add( "B");

        dt.Columns.Add( "C");

        var randomData  = Enumerable.Range(0,2)

                        .Select(p=> new {  A = (char)(new Random(Guid.NewGuid().GetHashCode()).Next(1,20)+p+65),  

                                           B = (char)(new Random(Guid.NewGuid().GetHashCode()).Next(1,20)+p+65), 

                                           C=  (char)(new Random(Guid.NewGuid().GetHashCode()).Next(1,20)+p+65) } ).ToList();

        var dataJson = Newtonsoft.Json.JsonConvert.SerializeObject(randomData);

        Console.WriteLine(string.Format("Serialize From List<T>   \t: {0}",dataJson));

        randomData.ForEach(o=>{

            dt.Rows.Add(o.A,o.B,o.C);

        });

        var dataJson2 = Newtonsoft.Json.JsonConvert.SerializeObject(dt);

        Console.WriteLine(string.Format("Serialize From DataTable \t: {0}",dataJson2));

        Console.WriteLine("".PadLeft(150,'='));

        var tmpDt =  Newtonsoft.Json.JsonConvert.DeserializeObject<DataTable>(dataJson);

        Dictionary<string,string> DefineHeader = new Dictionary<string,string>();

        DefineHeader.Add("A","中文欄位1");

        DefineHeader.Add("B","中文欄位2");

        DefineHeader.Add("C","中文欄位3");

        foreach(DataColumn y in tmpDt.Columns.Cast<DataColumn>())

        {

                  y.Caption = DefineHeader[y.ColumnName];　  

        }

        var newJson =  Newtonsoft.Json.JsonConvert.SerializeObject(tmpDt);

        Console.WriteLine( string.Format("DeserializeObject from List<T> to DataTable and SerialeObject to Json : \r\n{0}", newJson ));

    }

}