List<Model.SysGroup> listGroup = sysGroupBll.Where(o => o.IsSb == true, o => o.Id).ToList();
List<SelectListItem> items = new List<SelectListItem>();
foreach (var group in listGroup)
{
items.Add(new SelectListItem { Text = group.Name, Value = group.Id });
}
this.ViewData["list"] = items;
this.ViewData["GroupId"] = CurrentUser.SysGroup.FirstOrDefault().Id;
<td>组 @Html.DropDownList("GroupId", ViewData["list"] as IEnumerable<SelectListItem>)</td>