List<SelectListItem> list = new List<SelectListItem>();
            list.Add(new SelectListItem() { Text = "计算机", Value = "computer" });
            list.Add(new SelectListItem() { Text = "数学", Value = "math" });
            ViewData["deptName"] = list;

 <p>所属部门：@Html.DropDownListFor(m => m.deptName, ViewData["deptName"] as List<SelectListItem>)</p>

ViewData["AreaId"] = from a in rp.GetArea()
                               select new SelectListItem { 
                               Text=a.AreaName,
                               Value=a.AreaId.ToString()
                               };

 <p>所属区域：@Html.DropDownListFor(m => m.AreaID, ViewData["AreaID"] as List<SelectListItem>)</p>