@Html.DropDownListFor(model => model.SchoolId, new SelectList(ViewBag.SelectList, "SchoolTypeId", "Name"), "请选择")//model.SchoolId类型Int ViewBag.SelectList集合 @Html.ValidationMessageFor(model => model.SchoolTypeId, "", new { @style = "color:red" })//
.net mvc DropDownListFor下拉列表使用（验证）方法
原文：http://www.cnblogs.com/Jerrycjc/p/5151729.html