asp.net mvc两种传值(数据)方式(viewdata/mode)

        SatngDateDataContext stdate = new SatngDateDataContext();
        public ActionResult Index()
        {
            List<mmleave> mm = new List<mmleave>();
            mm = stdate.mmleave.OrderByDescending(d => d.id>6).ToList();
            ViewData["Message"] = mm;
            return View(mm);
        }


<%@ Page Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<IEnumerable<SaTngWebSite.Models.mmleave>>" %>
    <h2><%foreach (var item in ViewData["Message"] as List<SaTngWebSite.Models.mmleave>)%>
          <%{%>
              <%=item.lname %>
          <%} %></h2>
    <p
    </p>
    <%foreach (var item in Model)%>
     <%{%>
          <%=item.ldates %>
     <% } %>
</asp:Content>