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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_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">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>AjaxPro实现无刷新三级联动</title>
</head>
<script language="javascript" type="text/javascript">
<!--
// ACLOUD 常用JS函数
function getBid(s){
return document.getElementById(s);
}
function getBmc(s){
return document.getElementByName(s);
}
//显示分类列表
function showNext(sid,obj)
{
if(sid==null || sid=="" || sid.length<1)return;
var slt =getBid(obj);
var v = _Default.getNextClass(sid).value; // 类的名称
//alert(v);
//return;
if (v != null){
if(v != null && typeof(v) == "object" && v.Tables != null)
{
slt.length = 0;
slt.options.add(new Option("请选择",0));
//加了个“请选择”主要为了触发onchange事件
if(obj=="ddl2"){
getBid("ddl3").options.length=0;
getBid("ddl3").options.add(new Option("请选择",0));
}
for(var i=0; i<v.Tables[0].Rows.length; i++)
{
var txt = v.Tables[0].Rows[i].txt; //这个地方需要注意区分大小写
var vol = v.Tables[0].Rows[i].vol; //跟dataset表的列名称要一致
slt.options.add(new Option(txt,vol));
}
}
}
return;
}
-->
</script>
<body>
<form id="form1" runat="server">
<div>
<table width="500" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td width="99"> </td>
<td width="401">
城市<asp:DropDownList ID="ddl1" runat="server">
</asp:DropDownList>
区域<asp:DropDownList ID="ddl2" runat="server">
</asp:DropDownList>
花园<asp:DropDownList ID="ddl3" runat="server">
</asp:DropDownList></td>
</tr>
<tr>
<td> </td>
<td> </td>
</tr>
<tr>
<td> </td>
<td> </td>
</tr>
</table>
</div>
</form>
<a href="http://www.51aspx.com" target="_blank">Download From 51aspx.com</a>
</body>
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