当前位置: 首页 > 图文教程 > 网络编程 > ASP > 下拉框连动的小例子(.htm版)

ASP
TSYS 新闻列表JS调用下载
使用asp代码突破图片的防盗连
一种理论上最快的Web数据库分页方法
asp:debug类调试程序
如何增加Referer功能--反向链接插件
pjblog中清空引用的小程序
光碟工具 Alcohol 120% v1.9.6.4719 下载(附序列号注册码)
ASP实现头像图像随机变换
UTF-8 Unicode Ansi 汉字GB2321几种编码转换程序
[转]XMLHTTPRequest的属性和方法简介
ASP常用函数:getpy()
我用ASP写的m行n列的函数,动态输出创建TABLE行列
ASP常用函数:Delay()
ASP常用函数:Trace()
[转]ASP实现关键词获取(各搜索引擎,GB2312及UTF-8)
对象标记具有无效的 ''MSWC.MyInfo'' ProgID
ServerVariables集合检索预定的环境变量
HTTP_HOST 和 SERVER_NAME 的区别详解
[转]ASP常用函数:TimeZone
Eval 函数 | Execute 语句 | ExecuteGlobal 语句

ASP 中的 下拉框连动的小例子(.htm版)


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-11-03   浏览: 224 ::
收藏到网摘: n/a

  <html>
<head>
<title>List</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<script LANGUAGE="javascript">
<!--
var onecount;
onecount=0;
    
subcat = new Array();
subcat[0] = new Array("徐汇区","01","001");
subcat[1] = new Array("嘉定区","01","002");
subcat[2] = new Array("黄浦区","01","003");
subcat[3] = new Array("南昌市","02","004");
subcat[4] = new Array("九江市","02","005");
subcat[5] = new Array("上饶市","02","006");

onecount=6;

function changelocation(locationid)
    {
    document.myform.smalllocation.length = 0;

    var locationid=locationid;
    var i;
    document.myform.smalllocation.options[0] = new Option('====所有地区====','');
    for (i=0;i < onecount; i++)
        {
            if (subcat[i][1] == locationid)
            {
            document.myform.smalllocation.options[document.myform.smalllocation.length] = new Option(subcat[i][0], subcat[i][2]);
            }        
        }
        
    }    

//-->
</script>
</head>
<body>
<form name="myform" method="post">
    <select name="biglocation" onChange="changelocation(document.myform.biglocation.options[document.myform.biglocation.selectedIndex].value)">
        <option value="01" selected>上海</option>
        <option value="02">江西</option>
    </select>
    <select name="smalllocation">
        <option selected value="">==所有地区==</option>
    </select>
</form>
<script LANGUAGE="javascript">
<!--
    changelocation(document.myform.biglocation.options[document.myform.biglocation.selectedIndex].value);
//-->
</script>
</body>
</html>