S2-2项目居委会

<?xml version="1.0" encoding="utf-8" ?>
<root name="石牌街道">
  <juwei name="瑞华居委">
    <jianzhu smid="6" name="瑞华花园1栋">
      <fjname>101室</fjname>
      <fjname>102室</fjname>
    </jianzhu>
    <jianzhu smid="7" name="瑞华花园2栋">
      <fjname>101室</fjname>
      <fjname>102室</fjname>
    </jianzhu>
  </juwei>
  <juwei name="金帝居委">
    <jianzhu smid="4" name="金帝花园1栋">
      <fjname>101室</fjname>
      <fjname>102室</fjname>
    </jianzhu>
  </juwei>
  <juwei name="朝阳居委">
    <jianzhu smid="5" name="朝阳花园1栋">
      <fjname>101室</fjname>
      <fjname>102室</fjname>
    </jianzhu>
  </juwei>
</root>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 街道项目
{
  public   class bbbbb //声名类
    {
        public string jiedao { get; set; }//街道
        public string Juwei { get; set; }//居委会
        public string Jianzhu { get; set; }//楼房
        public string Room { get; set; } //房间号
    }
}

主窗体：

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Xml;

namespace 街道项目
{
    public partial class Frmain : Form
    {
        public Frmain()
        {
            InitializeComponent();
        }

        bbbbb bb = new bbbbb();
       

        private void treeView1_MouseClick(object sender, MouseEventArgs e)
        {

        }
    
        private void Form1_Load(object sender, EventArgs e)
        {
            //读取xml文件
            XmlDocument xml=new XmlDocument();
            xml.Load("Address.xml");
            //读取xml根节点
            XmlNode root = xml.DocumentElement;
            //将值赋值给街道
            bb.jiedao = root.Attributes["name"].Value; 

            //创建根结点
            TreeNode root1=new TreeNode();
            root1.Text = bb.jiedao;
            //将根节点rootNode绑定到tvLise控件上
            treeView1.Nodes.Add(root1);
           
            
          

            //遍历街道中所有居委会
            foreach (XmlNode item in root.ChildNodes)
            {
                //创建节点
                TreeNode oneNode = new TreeNode();
                //赋值
                oneNode.Text = item.Attributes["name"].Value;
                //遍历居委会中所有住房
                foreach (XmlNode child in item.ChildNodes)
                {
                    //创建节点
                    TreeNode twoNode = new TreeNode();
                    ///赋值
                    twoNode.Text = child.Attributes["name"].Value;
                    //遍历住房中所有房间号
                    foreach (XmlNode node in child.ChildNodes)
                    {
                        //创建节点
                        TreeNode threeNode = new TreeNode();
                        //赋值
                        threeNode.Text = node.InnerText;
                        //将threeNode子节点归属到twoNode父节点
                        twoNode.Nodes.Add(threeNode);
                    }
                    //将twoNode子节点归属到oneNode父节点
                    oneNode.Nodes.Add(twoNode);
                }
                //将oneNode子节点归属到rootNode根节点
                root1.Nodes.Add(oneNode);
            }

           
        }

    private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
        {
            //为控件txtjiedao 赋值
            jiedao.Text = "石牌街道";
            //点击节点获取值
            TreeNode node = this.treeView1.SelectedNode;
            if (node.Level == 1)
            {
                //赋值   
                juweuhui.Text = node.Text;
            }
            else if (node.Level == 2)
            {
                louhao.Text = node.Text;
                juweuhui.Text = node.Parent.Text;
            }
            else if (node.Level == 3)
            {
                fangjianhao.Text = node.Text;
                louhao.Text = node.Parent.Text;
                juweuhui.Text = node.Parent.Parent.Text;
            }
        }


    }

}