protected void ListView1_ItemDataBound(object sender, ListViewItemEventArgs e) { if (e.Item.ItemType == ListViewItemType.DataItem) { ImageButton db = (ImageButton)e.Item.FindControl("ibtDelete"); ImageButton ub = (ImageButton)e.Item.FindControl("ibtAllow"); ImageButton cb = (ImageButton)e.Item.FindControl("ibtDeny"); Label lb = (Label)e.Item.FindControl("fb_dateid"); Boolean f = feedback.getisview(lb.Text); db.Attributes.Add("onclick", "return confirm('确认要删除这条留言吗?')"); if (f) { ub.Visible = false; cb.Visible = true; } else { ub.Visible = true; cb.Visible = false; } } }