TreeView 读取 xml 显示节点
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Tree2_xml.aspx.cs" Inherits="Tree2_xml" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>T2</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<%--TreeView控件的DataSourceID属性指定数据源控件源ID。--%>
<asp:TreeView ID="treeT" runat="server" DataSourceID="XmlDataSource1">
</asp:TreeView>
<asp:XmlDataSource ID="XmlDataSource1" runat="server" DataFile="~/Xml/tree_1.xml">
</asp:XmlDataSource>
</div>
</form>
</body>
</html>
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using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
public partial class Tree2_xml : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
/**
* TreeNodeBinding类在TreeView控件中定义数据项与该数据项绑定到的节点之间的关系。
* 该类的DataMember属性指定在节点显示的数据源对应XML的节点。
* ValueField属性对应TreeNode对象的Value属性。
* TreeNodeBinding类的Text属性指定向用户显示的文本， 如果该属性没有指定，则默认与ValueField属性相同。
*/
this.treeT.ShowLines = false;//显示连接子节点和父节点之间的线条
TreeNodeBinding Area = new TreeNodeBinding();
Area.DataMember = "Area";//指定绑定的成员
Area.ValueField = "cAreaName";//取值的字段
this.treeT.DataBindings.Add(Area);
TreeNodeBinding Province = new TreeNodeBinding();
Province.DataMember = "Province";//添加与"省份"绑定
Province.ValueField = "cAreaName";
this.treeT.DataBindings.Add(Province);
TreeNodeBinding City = new TreeNodeBinding();
City.DataMember = "City";//添加与"城市"绑定
City.ValueField = "cAreaName";
this.treeT.DataBindings.Add(City);
}
}
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<?xml version="1.0" encoding="utf-8" ?>
<Area iAreaID ="0" cAreaName="城市">
<Province iAreaID ="1" cAreaName="北京市"/>
<Province iAreaID ="2" cAreaName="上海市"/>
<Province iAreaID ="3" cAreaName="天津市"/>
<Province iAreaID ="4" cAreaName="重庆市"/>
<Province iAreaID ="5" cAreaName="湖北省">
<City iAreaID ="51" cAreaName="武汉市"/>
<City iAreaID ="52" cAreaName="黄冈市" />
<City iAreaID ="53" cAreaName="荆州市"/>
<City iAreaID ="54" cAreaName="武穴市" />
<City iAreaID ="55" cAreaName="十堰市"/>
<City iAreaID ="56" cAreaName="黄石市" />
</Province>
<Province iAreaID ="6" cAreaName="河北省">
<City iAreaID ="61" cAreaName="石家庄市"/>
<City iAreaID ="62" cAreaName="唐山市" />
</Province>
<Province iAreaID ="7" cAreaName="山西省">
<City iAreaID ="71" cAreaName="太原市" />
<City iAreaID ="72" cAreaName="大同市" />
</Province>
</Area>
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