控件导出到excel 指定列不显示

http://www.cnblogs.com/gossip/archive/2011/03/17/1986821.html

 foreach (RepeaterItem item in dd.Controls)
        {
            //if (item.ItemType == ListItemType.Header)
            //{
            //    item.FindControl("lblsdzf").Visible = false;
            //    item.FindControl("lblsdzf").Visible = false;
            //}
            //if (item.ItemType == ListItemType.Item)
            //{
                item.FindControl("lblsdzf").Visible = false;
                item.FindControl("pydt").Visible = false;
            //}
        }

导出代码这里写