using System;

using System.Windows.Forms;

using System.Xml;

public class XmlTreeDisplay : System.Windows.Forms.Form

{

    private System.Windows.Forms.Button cmdLoad;

    private System.Windows.Forms.Label lblFile;

    private System.Windows.Forms.TextBox txtXmlFile;

    private System.Windows.Forms.TreeView treeXml;

    // (Bỏ qua phần mã designer.)

    private void cmdLoad_Click(object sender, System.EventArgs e)

    {

        // Xóa cây.

        treeXml.Nodes.Clear();

        // Nạp tài liệu XML.

        XmlDocument doc = new XmlDocument();

        try

        {

            doc.Load(txtXmlFile.Text);

        }

        catch (Exception err)

        {

            MessageBox.Show(err.Message);

            return;