項目中有個需求需要使用樹，並且樹的節點比較多，需要動態加載，看了Ext.tree.TreePanel中的例子，TreeLoader只能接受JSon數據。webservice傳輸的是XML文檔，不能直接調用。在網上找了2天，終於解決這個問題。
default.ASPx頁面
1 <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.ASPx.cs" Inherits="AJax._Default" %>
2
3 DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xHtml1-transitional.dtd">
4 <Html XMLns="http://www.w3.org/1999/xHtml">
5 <head runat="server">
6 <title>AJaxtitle>
7 <link href="ext-2.0/resources/css/ext-all.CSS" rel="stylesheet" type="text/CSS" />
8
9 <script src="ext-2.0/ext-base.JS" type="text/Javascript">script>
10
11 <script src="ext-2.0/ext-all.JS" type="text/Javascript">script>
12
13 <script src="ext-2.0/ext-lang-zh_CN.JS" type="text/Javascript">script>
14
15 <script src="JS/XMLTreeLoader.JS" type="text/Javascript">script>
16
17 head>
18 <body>
19 <form id="form1" runat="server">
20 <div id="tree" style="width: 400px; height: 500px;">
21 div>
22 form>
23
24 <script language="Javascript" type="text/Javascript">
25 Ext.onReady(function(){
26 Ext.BLANK_IMAGE_URL="ext-2.0/resources/images/default/s.gif";
27 var tree = new Ext.tree.TreePanel({
28 el:'tree',
29 animate:true,
30 autoScroll:true,
31 containerScroll: true,
32 loader: new Ext.ux.XMLTreeLoader({
33 dataUrl:"http://localhost/WebService/WebService.asmx/GetCompany",
34 requestMethod:"post"
35 })
36 });
37
38 // set the root node
39 var root = new Ext.tree.AsyncTreeNode({
40 text: '全部',
41 draggable:false,
42 id:'0'
43 });
44 tree.setRootNode(root);
45
46 // render the tree
47 tree.render();
48 root.expand();
49 });
50 script>
51
52 body>
53 Html>