ListViewItem lvi = new ListViewItem();
                            lvi.Text = reader["singer_name"].ToString();
                            lvi.ImageIndex = i;
                            lvi.Tag = reader["singer_id"];
                            lvInfo.Items.Add(lvi);如这个代码,我要怎么才能获取到   lvi.tag的值?很急的,在线等,各位大大们帮个忙哈,新手上路,多多指教!!