using System;

using System.Collections.Generic;

using Newtonsoft.Json;

​

public class Program

{

    public static void Main()

    {

        string form1 = "{\"Pricing\":[{\"total\":27,\"currency\":\"USD\",\"charges\":[{\"code\":\"C1\",\"currency\":\"USD\",\"rate\":15},{\"code\":\"C45\",\"currency\":\"USD\",\"rate\":12}]}]}";

        string form2 = "{\"Pricing\":[{\"total\":12,\"currency\":\"USD\",\"charges\":{\"code\":\"C1\",\"currency\":\"USD\",\"rate\":12}}]}";

        string json = form2;

        Form.Root Object = JsonConvert.DeserializeObject<Form.Root>(json);

        if (Object.Pricing[0].charges.GetType().FullName.EndsWith("JArray"))

        {

            Console.WriteLine("Item 1's Pricing from form1 : " + Object.Pricing[0].charges[0].rate);

        }

        else

        {

            Console.WriteLine("Item 1's Pricing from form1 : " + Object.Pricing[0].charges.rate);

        }

    }

​

    public class Form

    {

        public class Charges

        {

            public string code { get; set; }

​

            public string currency { get; set; }

​

            public int rate { get; set; }

        }

​

        public class Pricing

        {

            public int total { get; set; }

​

            public string currency { get; set; }

​

            public dynamic charges { get; set; }

        }

​

        public class Root

        {

            public List<Pricing> Pricing { get; set; }

        }

    }

}