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ajax实现下拉列表联动

2010-03-31 15:38 465 查看

1.html代码

<HTML>
<HEAD>
<title>Ajax实现无刷新三联动下拉框</title>
<meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR">
<meta content="C#" name="CODE_LANGUAGE">
<meta content="JavaScript" name="vs_defaultClientScript">
<meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
</HEAD>
<body ms_positioning="GridLayout">
<form id="Form1" method="post" runat="server">
<TABLE id="Table1" style="Z-INDEX: 101; LEFT: 96px; POSITION: absolute; TOP: 32px" cellSpacing="1"
cellPadding="1" width="300" border="1" bgColor="#ccff66">
<TR>
<TD>省市</TD>
<TD><asp:dropdownlist id="DropDownList1" runat="server"></asp:dropdownlist></TD>
</TR>
<TR>
<TD>城市</TD>
<TD><asp:dropdownlist id="DropDownList2" runat="server"></asp:dropdownlist></TD>
</TR>
<TR>
<TD>市区</TD>
<TD><asp:dropdownlist id="DropDownList3" runat="server"></asp:dropdownlist></TD>
</TR>
</TABLE>
<asp:TextBox id="TextBox1" style="Z-INDEX: 102; LEFT: 416px; POSITION: absolute; TOP: 48px" runat="server"
Width="424px"></asp:TextBox><INPUT style="Z-INDEX: 103; LEFT: 456px; WIDTH: 56px; POSITION: absolute; TOP: 96px; HEIGHT: 24px"
type="button" value="test" onclick="getData();">
</form>
</body>
</HTML>2.cs代码

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
namespace AjaxTest
using System;
using System.Data;
using System.Data.SqlClient;
namespace AjaxTest
<httpHandlers>
<add verb="POST,GET" path="ajax/*.ashx" type="Ajax.PageHandlerFactory, Ajax" />
</httpHandlers>5.ajax.dll下载/Files/singlepine/Ajax.rar
6.真实数据库下载area1.rar
7.源代码下载AjaxTest.rar

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