jquery ajax post 多选框值到MVC Model binder

Javascript

        var values = $(‘#datatable input.gid:checked‘).map(function () {
          return $(this).attr(‘gid‘);
        }).get();

        $.ajax({
           type: "POST",
           url: ‘/trade/audit/goodspass?t=‘ + new Date().getTime(),
           data: { ids: values },
           traditional: true,
           success: function(msg){
             alert(msg);
           }
        });    

C#

        [HttpPost]
        public ActionResult GoodsPass(ICollection<long> ids)
        {
            if(null == ids || ids.Count < 1)
                return Content("请选择一项");

             return Content("0");
        }