1.控制器使用Linq生成ViewBag
ViewBag.DropDownList = Enum.GetValues(typeof(MyEnum)).Cast<MyEnum>().Select(e => new SelectListItem { Value = ((int)e).ToString(), Text = e.ToString() });
2.视图绑定
@Html.DropDownListFor(m => m.value, ViewBag.DropDownList as IEnumerable<SelectListItem>)