using System;

using System.Collections.Generic;

using System.Web.Script.Serialization;

public class Program

{

    public static void Main()

    {

        string simpleJson = "{\"code\":\"ab\", \"notificationMessages\": {  \"A\": [{ \"code\": 3010, \"message\": \"The field is required.\" }   ],   \"B\": [  {  \"code\": 3010,  \"message\": \"The field  must be a string or array type with a maximum length of '1'.\"}   ],   \"C\": [  {  \"code\": 3020,  \"message\": \"The  field is required.\"  }  ]   }    }";

       var result = new JavaScriptSerializer().Deserialize<Root>(simpleJson);

            foreach (KeyValuePair<string, MessageArray> entry in result.notificationMessages.message)

            {

                Console.WriteLine(entry.Value);

            }

    }

    public class Root

    {

        public string code { get; set; }

        public Notificationmessages notificationMessages { get; set; }

    }

​

    public class Notificationmessages

    {

        public List<Dictionary<string, MessageArray>> message { get; set; }

​

    }

​

    public class MessageArray

    {

        public int code { get; set; }

        public string message { get; set; }

​

    }

}