using System;

using System.Collections.Generic;

using Newtonsoft.Json;

public class Program

{

    public static void Main()

    {

        string json = "[{ \"PrintId\":10,\"Header\":\"header\",\"TC\":\"tc\",\"CompanyRef\":\"00000000-0000-0000-0000-000000000000\"}, { \"PrintId\":20,\"Header\":\"header2\",\"TC\":\"tc2\",\"CompanyRef\":\"00000000-0000-0000-0000-000000000000\"}]";

        var objs = JsonConvert.DeserializeObject<List<Print>>(json);

        foreach(Print p in objs){

            Console.WriteLine("PrintId: " + p.PrintId);

            Console.WriteLine("Header: " + p.Header);

            Console.WriteLine("TC: " + p.TC);

            Console.WriteLine("CompanyRef: " + p.CompanyRef);

            Console.WriteLine("==============================");

        }

    }

}

​

public class Print

{

    public int PrintId { get; set; }

    public string Header { get; set; }

    public string TC { get; set; }

    public string CompanyRef { get; set; }

}

​