Repeater 获取任意列数据

for (int i = 0; i < data1.Items.Count; i++)
            {
                CheckBox cbx = data1.Items[i].FindControl("cbxSum") as CheckBox;//获取所有cbx
                if (cbx != null && cbx.Checked)
                {
                    Label s = data1.Items[i].FindControl("lblID") as Label;//获取ID
                    pb.SetDel(s.Text);//根据ID删除方法
                }
            }
            Getdata();