gistfile1.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Echk.Web.Mvc
{
    /// <summary>
    /// ale's approach 
    /// </summary>
    public class JsonDynamicResult : System.Web.Mvc.ActionResult
    {
        public dynamic DynamicViewData { get; set; }

        // Summary:
        //     Gets or sets the content encoding.
        //
        // Returns:
        //     The content encoding.
        public System.Text.Encoding ContentEncoding { get; set; }

        //
        // Summary:
        //     Gets or sets the type of the content.
        //
        // Returns:
        //     The type of the content.
        public string ContentType { get; set; }

        //
        // Summary:
        //     Gets or sets a value that indicates whether HTTP GET requests from the client
        //     are allowed.
        //
        // Returns:
        //     A value that indicates whether HTTP GET requests from the client are allowed.
        public System.Web.Mvc.JsonRequestBehavior JsonRequestBehavior { get; set; }

        public override void ExecuteResult(System.Web.Mvc.ControllerContext context)
        {
            if (context == null)
                throw new ArgumentNullException("context");

            var response = context.HttpContext.Response;

            response.ContentType = !string.IsNullOrEmpty(ContentType) ? ContentType : "application/json";

            if (ContentEncoding != null)
                response.ContentEncoding = ContentEncoding;

            if (DynamicViewData == null)
                return;

            response.Write(new Echk.Framework.Json.WJsonSerializer().Serialize(DynamicViewData));
        }
    }
}