控制器代码

  var limitbidlist = LimitBidInfoBLL.GetLimitBidList();
            var selectItemList = new List<SelectListItem>() {
                new SelectListItem(){Value="0",Text="全部",Selected=true}
            };
            var selectList = new SelectList(limitbidlist, "AucID", "BidName");
            selectItemList.AddRange(selectList);
            ViewBag.AucIDList = selectItemList;

页面代码

 @Html.DropDownList("dpAucID", ViewBag.AucIDList as IEnumerable<SelectListItem>, new { @class = "form-control" })