C# MVC JQuery Ajax

视图代码
@{
ViewBag.Title = “Home Page”;
}

<label id="file">用户名</label>

测试数据

控制器代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;

namespace test.Controllers
{
public class HomeController : Controller
{
public ActionResult Index()
{
return View();
}

    public JsonResult ajax()
    {

        string name = "test is ok";
        return Json(name);

    }
    public ActionResult About()
    {
        ViewBag.Message = "Your application description page.";

        return View();
    }

    public ActionResult Contact()
    {
        ViewBag.Message = "Your contact page.";

        return View();
    }
}

}