Html.DropDownList 选中 mvc view 弱类型

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>

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