我的下级名单将列入——当选项目——这一表格首次装满。 我看不出在我提交表格后挑选的选定项目。 会议将再次举行。 问题是什么?
<%= Html.DropDownList("lstDetails", new SelectList((IEnumerable)ViewData["DetailList"], "ID", "Details"), "--Select Item--")%>
感谢。
我的下级名单将列入——当选项目——这一表格首次装满。 我看不出在我提交表格后挑选的选定项目。 会议将再次举行。 问题是什么?
<%= Html.DropDownList("lstDetails", new SelectList((IEnumerable)ViewData["DetailList"], "ID", "Details"), "--Select Item--")%>
感谢。
我假定你想在某个地方拯救选定的项目。
<%: Html.DropDownFor(selectedId, new SelectList((IEnumerable)ViewData["DetailList"], "ID", "Details", (IEnumerable)ViewData["DetailList"].FirstOrDefulft(x => x.Id == selectedId), "--SelectItem--") %>
贵方需要储存选定项目的信息。 我在这里用了一条叫作的字句。
int selectedId
我在你的详细内容中假定你有一小儿。
最容易的方式是将选择语言纳入模式。 (确保你在模式的构造中创建独角兽部队)。
观点:
<%= Html.DropDownList("lstDetails", Model.DetailList)%>
主计长:
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult MyController(MyModel model)
{
return View(model);
}
模式:
class MyModel
{
public SelectList DetailList;
public MyModel()
{
DetailList = new SelectList(....
}
}
因此,如果你回到后,如果你以同样的模式来回来,那么表格将像你提交表格之前那样看待。
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