using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using System;

using System.Reflection;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        var obj = JsonConvert.DeserializeObject<dynamic>("{\"Gender\": \"M\", \"Specialty\": \"Medicina general\"}");

        //Console.WriteLine(obj.Gender);

        UserProfile up = new UserProfile

        {

            Name = "Ronny",

            CustomData = new { Gender = "F", Specialty = "Medicina general" }//"{\"gender\": \"F\"}"

        };

        TestData data = new TestData

        {

            CustomData = JsonConvert.DeserializeObject<Dictionary<string,string>>("{\"Gender\": \"M\", \"Specialty\": \"Medicina general\"}")

        };

        Dictionary<string, string> customData = JsonConvert.DeserializeObject<Dictionary<string,string>>("{\"Gender\": \"M\", \"Specialty\": \"Medicina general\"}");

        string gender;

        customData.TryGetValue("Gender", out gender);

        Console.WriteLine(gender);

        var di = GetKeyValue(data, "CustomData.Gender");

        Console.WriteLine(di);

        object dn = (object)JsonConvert.DeserializeObject<dynamic>("{\"Gender\": \"M\", \"Specialty\": \"Medicina general\"}");

        Console.WriteLine(dn.GetType());

        object cd = JObject.Parse("{\"Gender\": \"M\", \"Specialty\": \"Medicina general\"}");

        Console.WriteLine(cd.GetType());

        Console.WriteLine(JsonConvert.SerializeObject(up));

        Console.WriteLine(up.CustomData);

        Console.WriteLine(up.CustomData.GetType());

        Console.WriteLine("--------");

        Console.WriteLine(JsonConvert.SerializeObject(data));

        Console.WriteLine(data.CustomData);

        Console.WriteLine(data.CustomData.GetType());

        var rr = GetPropertyValue(up, "CustomData.Gender");

        Console.WriteLine(rr);

    }

    public static object GetKeyValue(object src, string propName)

    {

        if (src == null) throw new ArgumentException("Value cannot be null.", "src");

        if (propName == null) throw new ArgumentException("Value cannot be null.", "propName");

​

        if(propName.Contains("."))//complex type nested

        {

            var temp = propName.Split(new char[] { '.' }, 2);

            return GetKeyValue(GetKeyValue(src, temp[0]), temp[1]);

        }

        else

        {

            var prop = src.GetType().GetProperty(propName);

            return prop != null ? prop.GetValue(src, null) : null;

        }

    }

    public static object GetPropertyValue(object src, string propName)

    {

        if (src == null) throw new ArgumentException("Value cannot be null.", "src");

        if (propName == null) throw new ArgumentException("Value cannot be null.", "propName");

​

        if(propName.Contains("."))//complex type nested

        {

            var temp = propName.Split(new char[] { '.' }, 2);

            return GetPropertyValue(GetPropertyValue(src, temp[0]), temp[1]);

        }

        else

        {

            var prop = src.GetType().GetProperty(propName);

            return prop != null ? prop.GetValue(src, null) : null;

        }

    }

}

​

public class UserProfile

{

    public string Name { get; set; }

    public object CustomData { get; set; }

}

​

public class TestData

{

    public object CustomData { get; set; }

}