DataList 中DropDownList取隐藏控件label的值

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   DropDownList ddlprocess = (DropDownList)sender;
          DataListItem dl = (DataListItem)ddlprocess.Parent;
          HtmlGenericControl txttenorid = (HtmlGenericControl)dl.FindControl("tenorid");
          //Label txttenorid = (Label)dl.FindControl("tenorid");
          tenorid = txttenorid.InnerText.Trim();

终于搞定,不用那么麻烦添加LABEL的,用一个隐藏的LABEL保存ID也行的