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XmlHttp实现无刷新三联动下拉框

2007-03-03 14:52 399 查看

<HTML>
<HEAD>
<title>XmlHttp实现无刷新三联动下拉框</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body>
<form id="Form1" method="post" runat="server">
<INPUT style="Z-INDEX: 102; LEFT: 448px; WIDTH: 56px; POSITION: absolute; TOP: 8px; HEIGHT: 24px"
onclick="getData();" type="button" value="test">
<asp:TextBox id="TextBox1" style="Z-INDEX: 101; LEFT: 16px; POSITION: absolute; TOP: 8px" runat="server"
Width="424px"></asp:TextBox>
<asp:DropDownList id="DropDownList2" runat="server" style="Z-INDEX: 103; LEFT: 176px; POSITION: absolute; TOP: 48px"></asp:DropDownList>
<asp:DropDownList id="DropDownList1" runat="server" style="Z-INDEX: 104; LEFT: 16px; POSITION: absolute; TOP: 48px"></asp:DropDownList>
<asp:DropDownList id="DropDownList3" runat="server" style="Z-INDEX: 105; LEFT: 296px; POSITION: absolute; TOP: 48px"></asp:DropDownList>
</form>
</body>
</HTML>
cs:

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

public partial class XmlHttpSelect : System.Web.UI.Page

web.config

<appSettings>
<add key="ConnectionString" value="Data Source=A3161228A954417;Initial Catalog=DbHisTech501;Persist Security Info=True;User ID=sa;Password=sa;"></add>
</appSettings>

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