using System;

using Newtonsoft.Json;

public class Program

{

    public class test 

    {

        public string name;

        public string age;

    }

    public static void Main()

    {

        string json = "{\"name\":\"\", age:\"12\"}";

        var obj = JsonConvert.DeserializeObject<test>(json);

        Console.WriteLine(

            string.Format("age: {0}, name: {1}",obj.age,obj.name));

    }

}