Listview columns and rows

private void button8_Click(object sender, EventArgs e)
        {
            System.Messaging.Message mes;
            string m;
            try
            {
                listBox1.Items.Clear();
                int len = mq.GetAllMessages().Length;
                if (len != 0)
                {
                    for (int i = 0; i < len; i++)
                    {
                        mes = mq.Receive(new TimeSpan(0, 0, 3));
                        mes.Formatter = new XmlMessageFormatter(new string[] { "System.String,mscorlib" });
                        m = mes.Body.ToString();
                         ListViewItem item1 = new ListViewItem(m.ToString());
                        item1.SubItems.Add(m.ToString());
                       listView1.Items.AddRange(new ListViewItem[] { item1});
                    }
                }
                else
                {
                    m = "No Error Queue Message";
                      ListViewItem item1 = new ListViewItem(m.ToString());
                        item1.SubItems.Add(m.ToString());
                       listView1.Items.AddRange(new ListViewItem[] { item1});
                }

            }
            catch
            {
                m = "no Message";
                  ListViewItem item1 = new ListViewItem(m.ToString());
                        item1.SubItems.Add(m.ToString());
                       listView1.Items.AddRange(new ListViewItem[] { item1});
            }
            
        }