MVC强类型视图、强类型HTML辅助方法

     <table>
            <tr>
                <td>ID:</td><td><%: Model.Id %></td>
            </tr>
             <tr>
                <td>姓名:</td><td><%: Model.UserName %></td>
            </tr>
             <tr>
                <td>年龄:</td><td><%: Model.Age %></td>
            </tr>
        </table>

       public ActionResult Show()
        {
            UserInfo userInfo =new UserInfo();
            userInfo.Id = 9;
            userInfo.UserName = "张三";
            userInfo.Age = 18;

            //ViewData["UserInfo"] = userInfo;

            ViewData.Model = userInfo;

            return View();
        }