仿Google自动提示SearchSuggess_ASP.NET学习网|ASP.NET教程|ASP.NET MVC|ASP.NET 源码|VS2010教程|ASP.NET视频教程

页面：

<%@ 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"> <title>seach</title> <script type="text/javascript" src="jquery.min.js" ></script> <script type="text/javascript" src="js.js"></script> <link href="css.css" rel="stylesheet" type="text/css" /> </head> <body> <form id="form1" runat="server"> <div onClick="keyup_close();"> <ul> <li class="h_14"> <iframe style="DISPLAY: none" id="if_keyup" name="if_keyup"></iframe> <input id="kw" name="kw" class="h_15" onKeyUp="keyup(event)" autocomplete="off" /> <div style="DISPLAY: none" id="keyup_d" class="sokeyup" ></div> </li> <li class="h_16"> <input style="CURSOR: pointer" onClick="so_search();" src="searchbuttom.gif" type="image" /> </li> </ul> </div> </form> </body> </html>

css:

UL { padding: 0px; LIST-STYLE-TYPE: none; MARGIN: 0px; LIST-STYLE-IMAGE: none; height: 52px; } LI { PADDING-BOTTOM: 0px; LIST-STYLE-TYPE: none; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; LIST-STYLE-IMAGE: none; PADDING-TOP: 0px} .h_14 { BACKGROUND-IMAGE: url(text_search.jpg); TEXT-ALIGN: left; PADDING-BOTTOM: 1px; LINE-HEIGHT: 26px; MARGIN-TOP: 3px; PADDING-LEFT: 4px; WIDTH: 245px; BACKGROUND-REPEAT: no-repeat; BACKGROUND-POSITION: center 50%; FLOAT: left; HEIGHT: 26px; MARGIN-LEFT: 3px; VERTICAL-ALIGN: middle; OVERFLOW: hidden; MARGIN-RIGHT: 3px; PADDING-TOP: 2px} .h_15 { BORDER-BOTTOM: 0px; BORDER-LEFT: 0px; PADDING-BOTTOM: 0px; LINE-HEIGHT: 20px; PADDING-LEFT: 0px; WIDTH: 240px; PADDING-RIGHT: 0px; DISPLAY: block; FLOAT: left; HEIGHT: 20px; MARGIN-LEFT: 0px; FONT-SIZE: 14px; VERTICAL-ALIGN: middle; BORDER-TOP: 0px; BORDER-RIGHT: 0px; PADDING-TOP: 4px} .h_16 { WIDTH: 57px; FLOAT: left; HEIGHT: 32px; OVERFLOW: hidden; CURSOR: pointer} .sokeyup { Z-INDEX: 10000; BORDER-BOTTOM: #000000 1px solid; POSITION: absolute; BORDER-LEFT: #000000 1px solid; WIDTH: 245px; DISPLAY: none; CLEAR: both; OVERFLOW: hidden; BORDER-TOP: #000000 1px solid; BORDER-RIGHT: #000000 1px solid} .sokeyup_1 { LINE-HEIGHT: 20px; PADDING-LEFT: 4px; WIDTH: 237px; PADDING-RIGHT: 4px; HEIGHT: 20px; CLEAR: both; OVERFLOW: hidden} .sokeyup_2 { LINE-HEIGHT: 20px; WIDTH: 140px; FLOAT: left; HEIGHT: 20px; COLOR: #4c4c4c} .sokeyup_3 { TEXT-ALIGN: right; LINE-HEIGHT: 20px; WIDTH: 97px; FLOAT: right; HEIGHT: 20px; COLOR: #008000} .sokeyup_4 { LINE-HEIGHT: 20px; WIDTH: 237px; HEIGHT: 20px } .sokeyup_5 { LINE-HEIGHT: 20px; FLOAT: right; HEIGHT: 20px; COLOR: #0000cc; CURSOR: pointer; TEXT-DECORATION: underline}

js:

ashx:

<%@ WebHandler Language="C#" Class="JsonHandler" %> using System; using System.Web; using System.Data.SqlClient; using System.Data; public class JsonHandler : IHttpHandler { public void ProcessRequest(HttpContext context) { context.Response.ContentType = "text/plain"; string Key = context.Request["kw"]; if (Key !=null&&Key!="") { SqlConnection con = new SqlConnection("server=JUQI;database=NorthWind;uid=sa;pwd=sa;"); con.Open(); string str = "select distinct keyword,num from search where keyword like @kw order by keyword"; SqlCommand com = new SqlCommand(str, con); com.Parameters.Add("@kw", SqlDbType.NVarChar).Value = "%"+ Key + "%"; SqlDataReader sdr = com.ExecuteReader(); string htmlstr = ""; int i = 1; while (sdr.Read()) { string kword = sdr["keyword"].ToString(); string a = sdr["num"].ToString(); htmlstr += "<ul class='sokeyup_1' onmouseover='keyup_over(" + i + ")' onmouseout='keyup_out(" + i + ")' onclick='keyup_click(" + i + ")' id='u_" + i + "'>"; htmlstr += "<li class='sokeyup_2' id='l_" + i + "'>" + kword + "</li>"; htmlstr += "<li class='sokeyup_3'>" + a + " 结果</li></ul>"; i++; } context.Response.Write(htmlstr); context.Response.End(); sdr.Close(); con.Close(); } } public bool IsReusable { get { return false; } } }

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