动态添加ContextMenuStrip项（ToolStripItem）

        //绑定菜单
        private void BindMenu(DataTable dt)
        {
            foreach (DataRow row in dt.Rows)
            {
                ToolStripItem item = new ToolStripMenuItem();
                item.Name = row[0].ToString();
                item.Text = row[1].ToString();
                item.Click += new EventHandler(contextMenuStrip1_ItemClick);
                contextMenuStrip1.Items.Add(item);
                //contextMenuStrip1.Items.Add(row[1].ToString(), null, contextMenuStrip1_ItemClick);
            }
        }

        private void contextMenuStrip1_ItemClick(object sender, EventArgs e)
        {
            ToolStripItem item = (ToolStripItem)sender;            
            MessageBox.Show(item.Name);
        }