how to retrive data and adding the column in list view+ datatable ?

     public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            this.listView1.Columns.Add("AA");
            this.listView1.Columns.Add("BB");
            this.listView1.Items.Add(new ListViewItem(new string[] { "32", "55" }));
            this.listView1.Items.Add(new ListViewItem(new string[] { "3d2", "5a5" }));
            this.listView1.MouseDown += new MouseEventHandler(listView1_MouseDown);
        }
        void listView1_MouseDown(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Right)
            {
                ListViewHitTestInfo hti = this.listView1.HitTest(e.X, e.Y);
                if (hti.Item != null)
                {
                    this.contextMenuStrip2.Show(this.listView1, e.X, e.Y);
                }
                else
                {
                    Point p = new Point(e.X,e.Y);
                    this.listView1.Focus();
                    this.BeginInvoke(new ShowContextDelegate(ShowContext), p);
                   
                }
            }
        }
        public delegate void ShowContextDelegate(Point o);
        public void ShowContext(Point p)
        {
            this.contextMenuStrip1.Show(this.listView1, p);
        }

    }