本篇介绍了将数据动态绑定到Ext.form.ComboBox,以树状结构的形式显示.采取后台读数据库的方式.提供显示提示消息的效果和改变ComboBox的宽度和高度. 不支持手写和联想功能.
效果图如下:
前台代码如下:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="ComboBoxTree._Default" %>
<!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></title>
<link href="extjs/resources/css/ext-all.css" rel="stylesheet" type="text/css" />
<script src="extjs/adapter/ext/ext-base.js" type="text/javascript"></script>
<script src="extjs/ext-all.js" type="text/javascript"></script>
</head>
<body>
<form id="form1" runat="server">
<div>
<div id="comboxtree">
</div>
<script type="text/javascript">
function ready() {
Ext.QuickTips.init();
var comboTree = new Ext.form.ComboBox
({
store: new Ext.data.SimpleStore({ fields: [], data: [[]] }),
editable: false, //禁止手写及联想功能
mode: 'local',
triggerAction: 'all',
frame: true,
border: true,
//maxHeight: 300,width:200,
tpl: '<div >
<!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></title>
<link href="extjs/resources/css/ext-all.css" rel="stylesheet" type="text/css" />
<script src="extjs/adapter/ext/ext-base.js" type="text/javascript"></script>
<script src="extjs/ext-all.js" type="text/javascript"></script>
</head>
<body>
<form id="form1" runat="server">
<div>
<div id="comboxtree">
</div>
<script type="text/javascript">
function ready() {
Ext.QuickTips.init();
var comboTree = new Ext.form.ComboBox
({
store: new Ext.data.SimpleStore({ fields: [], data: [[]] }),
editable: false, //禁止手写及联想功能
mode: 'local',
triggerAction: 'all',
frame: true,
border: true,
//maxHeight: 300,width:200,
tpl: '<div >