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<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebApplication1.WebForm1" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
<script type="text/javascript" >
function FunSelect() {
var word = document.getElementById("city").value;
if (word != "") {
// alert("1");
var xmlhttp = window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
// alert("2");
xmlhttp.open("GET", "Handler1.ashx?word=" + encodeURIComponent(word), true);
// alert("3")
xmlhttp.send(null);
// alert("4");
xmlhttp.onreadystatechange = function () {
if (xmlhttp.readyState == 4) {
// alert(xmlhttp.responseText);
document.getElementById("myText").innerHTML = xmlhttp.responseText;
}
}
}
}
function FunGetValue(s) {
document.getElementById("city").value = s;
document.getElementById("myText").innerHTML = "";
}
</script>
<style>
li:hover {
background-color:#b6ff00;
}
#divFeild {
width:500px;
height:20px;
position:relative;
}
#wordDiv {
position:absolute;
left:20px;
top:20px;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<div id="divFeild">
<input type="text" id="city" name="city" onkeyup ="FunSelect()" /><br />
<div id="wordDiv"> <ul id="myText"></ul></div>
</div>
<p>ssssssssssssssssssssssss</p>
<p>ssssssssssssssssssssssss</p>
<p>ssssssssssssssssssssssss</p>
</form>
</body>
</html>
=======================================================================using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
namespace WebApplication1
{
/// <summary>
/// Handler1 的摘要说明
/// </summary>
public class Handler1 : IHttpHandler
{
public void ProcessRequest(HttpContext context)
{
List<string> stringList = new List<string>() {
"湖北省","湖北省1","湖北省2","湖南省","河南省","河北省"
};
var word =context. Request.QueryString["word"];
string result = "";
foreach (string s in stringList)
{
if (s.Contains(word))
{
//result +="<li style=‘list-style-type:none;‘ onclick=‘FunGetValue(‘"+s+"‘)‘>"+ s+"</li>";
result += "<li style=‘list-style-type:none;‘ onclick=‘FunGetValue(this.innerText)‘>" + s + "</li>";
}
// FunGetValue( ‘湖北省1‘)
}
context.Response.Write(result);
}
public bool IsReusable
{
get
{
return false;
}
}
}
}
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原文地址：http://www.cnblogs.com/blogLYF/p/5653997.html
