当前位置: 首页 > 图文教程 > 网络编程 > ASP > 三级下拉框连动的数据库版

ASP
ASP 3.0高级编程（二十七）
ASP 3.0高级编程（二十八）
ASP 3.0高级编程（二十九）
ASP 3.0高级编程（三十）
ASP中时间函数的使用(一)
ASP中时间函数的使用(二)
ASP中时间函数的使用(三)
.NET之ASP WebApplication快速入门(1)
.NET之ASP WebApplication快速入门(2)
.NET之ASP WebApplication快速入门(3)
.NET之ASP WebApplication快速入门(4)
.NET之ASP WebApplication快速入门(5)
asp.NET特写
ASP 3.0高级编程（七）
ASP 3.0高级编程（八）
ASP.NET 入门的五个步骤
ASP 组件指南
XML 数据的编码方式
ASP 3.0高级编程（九）
ASP 3.0高级编程（十）

No. « 147 148 149 150 »

技术文章搜索

关键字

ASP 中的 三级下拉框连动的数据库版

出处:互联网   整理: 软晨网（RuanChen.com）   发布: 2009-11-03   浏览: 115 ::
收藏到网摘: n/a

  '三级下拉框连动
'
'数据库：
'location
'表1 loaction  所在地表
'   字段
'   loactionid
'   loactionname 名字
'表2 district  所在的地区表
'   字段
'   locationid
'    districtid
'    districtname
'表3 village  所在的县区表
'   字段
'   districtid
'   villageid
'   villagename

<%Option Explicit%>
<html>
<head>
<title>List</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<%
dim conn
dim rs
dim sql
dim count
dim rs1
dim sql1
dim rs2
dim sql2
dim count2



set conn=server.createobject("adodb.connection")
conn.open"provider=sqloledb;data source=192.168.0.33;uid=sa;pwd=;database=location;"


sql = "select * from district order by locationid asc"
set rs = conn.execute(sql)
%>
<script language = "JavaScript">
var onecount;
onecount=0;
subcat = new Array();
<%
count = 0
do while not rs.eof
%>
subcat[<%=count%>] = new Array("<%= trim(rs("districtname"))%>","<%= trim(rs("locationid"))%>","<%= trim(rs("districtid"))%>");
<%
count = count + 1
rs.movenext
loop
rs.close
set rs=nothing
%>
onecount=<%=count%>;

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

var locationid=locationid;
var i;
document.myform.smalllocation.options[0] = new Option('==所选城市的地区==','');
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>


<%sql2 = "select * from village order by districtid asc"
set rs2 = conn.execute(sql2)
%>
<script language = "JavaScript">
var onecount2;
onecount2=0;
subcat2 = new Array();
<%
count2 = 0
do while not rs2.eof
%>
subcat2[<%=count2%>] = new Array("<%= trim(rs2("villagename"))%>","<%= trim(rs2("districtid"))%>","<%= trim(rs2("villageid"))%>");
<%
count2 = count2 + 1
rs2.movenext
loop
rs2.close
set rs2=nothing
%>
onecount2=<%=count2%>;

function changelocation2(villageid)
{
document.myform.village.length = 0;

var villageid=villageid;
var j;
document.myform.village.options[0] = new Option('==所选地区的县区==','');
for (j=0;j < onecount2; j++)
{
if (subcat2[j][1] == villageid)
{
document.myform.village.options[document.myform.village.length] = new Option(subcat2[j][0], subcat2[j][2]);
}
}

}
</script>



</head>
<body>
<form name="myform" method="post">
题目：<input type="text" name="T2" size="20">

来源：<input type="text" name="T3" size="20">

分类：<select name="biglocation" onChange="changelocation(document.myform.biglocation.options[document.myform.biglocation.selectedIndex].value)" size="1">
<option selected>请选择你所在的省份</option>
<%

sql1 = "select * from location order by locationname asc"
set rs1 = conn.Execute (sql1)
do while not rs1.eof
%>
<option value="<%=trim(rs1("locationid"))%>"><%=trim(rs1("locationname"))%></option