treeview读取XML中的数据代码,Asp.Net代码库,德仔网

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【Asp.Net】 treeview读取XML中的数据
作者:Dezai.CN / 发布于2013/2/20/ 708
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Xml;

public partial class menu : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            createTreeView();
        }
    }
    public void createTreeView()
    {
        XmlDocument xmldoc = new XmlDocument();
        xmldoc.Load(Server.MapPath("XML/Menu.xml"));//"formwork/XML/Menu.xml");
        TreeView1.Nodes.Clear();
        TreeView1.Nodes.Add(new TreeNode(xmldoc.DocumentElement.Name));
        TreeNode tnode = new TreeNode();
        tnode = TreeView1.Nodes[0];
        addtreeview(xmldoc.DocumentElement, tnode);
        TreeView1.ExpandAll();//展开

    }
    public void addtreeview(XmlNode xmlnode, TreeNode treenode)
    {
        int i = 0;
        XmlNodeList xNodeList;//存放节点集合(这里是所有子节点的集合)
        if (xmlnode.HasChildNodes)
        {
            xNodeList = xmlnode.ChildNodes;
            foreach (XmlNode xmlnod in xNodeList)
            {
                XmlNodeList xmlNodeList = xmlnod.ChildNodes;
                if (xmlNodeList.Count <= 0)
                {
                    treenode.Text = xmlnod.Value; //xmlnode.OuterXml.Trim();
                }
                else
                {
                    treenode.ChildNodes.Add(new TreeNode(xmlnod.Name));
                    //TreeView1.Nodes.Add(new TreeNode(xmlnod.Name));
                    addtreeview(xmlnod, treenode.ChildNodes[i++]);
                    //addtreeview(xmlnod, TreeView1.Nodes[i++]);
                }
            }
        }
        //else
        //{
        //    treenode.Text = xmlnode.OuterXml.Trim();
        //}
    }
    protected void TreeView1_SelectedNodeChanged(object sender, EventArgs e)
    {
        TextBox2.Text = parentvalue(TreeView1.SelectedNode, TreeView1.SelectedNode.Value);
        Session["usename"] = TextBox2.Text;
        //TextBox2.Text=TreeView1.SelectedValue.ToString();
    }
    public string parentvalue(TreeNode treenode,string value)
    {
        if (treenode.Depth > 0)
        {
            value = parentvalue(treenode.Parent, treenode.Parent.Value)+ value;

        }
        return value;
    }
}

xml文件
<?xml version="1.0" encoding="utf-8" ?>
<内容>
  <qq>
  <bb>
    <ZX>123</ZX>
    <ZX>是反对反对</ZX>
    <ZX>fdggf</ZX>
    <ZX>fdgfdg</ZX>
    <ZX>fdgdfg</ZX>
  </bb>
  <cc>
    <ZX>fdgdfg</ZX>
    <ZX>dfgdfgdf</ZX>
    <ZX>dfgdfgdfg</ZX>
    <ZX>dfgfdg</ZX>
    <ZX>dfgdfg</ZX>
  </cc>

<qq>
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　treeview读取XML　
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