private void ���ToolStripMenuItem_Click(object sender, EventArgs e)
 {
     KeyAdd keyAdd = new KeyAdd(dsXML);
     keyAdd.ShowDialog();
 }
        private void 添加ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            KeyAdd keyAdd = new KeyAdd(dsXML);

            keyAdd.ShowDialog();
        }