Remote calling this controller with JsonResult result

LaserController

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Helpers;
using System.Web.Mvc;

namespace TestAspNetMvcNet.Controllers
{
    public class LaserController : Controller
    {
        public JsonResult Valid(string PistoLaser)
        {
            return this.Json(true, JsonRequestBehavior.AllowGet);
        }
    }
}