mvc 传递匿名对象

public ActionResult TupleTest()
        {
            LinqDBEntities db = new LinqDBEntities();
            dynamic data = db.StuInfo.ToList().Select(s => Tuple.Create(s.StuNum, s.StuName, s.StuAge,s.StuSex, s.ClassID));
            ViewData["data"] = data;
            return View();
        }

@{            dynamic dd = ViewData["data"];
            foreach (var item in dd)
            {                
                Response.Write(item.Item1+"-"+item.Item2+"-"+item.Item3+"-"+item.Item4+"-"+item.Item5+"<br>");
            }   
}