using System;

using Newtonsoft.Json;

using System.Collections.Generic;

​

public class Program

{

/*

    public class Product

    {

        public string Name

        {

            get;

            set;

        }

​

        public DateTime Expiry

        {

            get;

            set;

        }

​

        public string[] Sizes

        {

            get;

            set;

        }

    }

*/

    public class campi

    {

        public string title;

        public string caption;

    }

​

    public class allegato

    {

        public string id;

        public campi fields = new campi();

    }

​

    public class myclass

    {

        public List<allegato> attachments = new List<allegato>();

    }

​

    public void Main()

    {

        myclass mc = new myclass();

        List<allegato> lista = mc.attachments;

        allegato att;

​

        att = new allegato();

        att.id = "2407";

        att.fields.title = "test";

        att.fields.caption = "";

        lista.Add(att);

        att = new allegato();

        att.id = "2391";

        att.fields.title = "Manuale-MurexS07-Caffitaly-System (1)";

        att.fields.caption = "";

        lista.Add(att);

        string json = JsonConvert.SerializeObject(mc);

        Console.WriteLine(json);

    /*      Product product = new Product();

        product.Name = "Apple";

        product.Expiry = new DateTime(2008, 12, 28);

        product.Sizes = new string[] { "Small" };

        string json = JsonConvert.SerializeObject(product);

        Console.WriteLine(json);

        */

    }

}