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|
  select.js
 var searchReq=createAjaxObj();
function createAjaxObj()
 {
 var httprequest=false;
if(window.XMLHttpRequest)
  {
httprequest=new XMLHttpRequest();
if(httprequest.overrideMimeType)
httprequest.overrideMimeType('text/xml');
 }
else if (window.ActiveXObject)
{
//IE
try
{
httprequest=new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e)
{
try
{
httprequest=new ActiveXObject("Microsoft.XMLHTTP");
}
catch (e)
{
}
}
}
return httprequest
 }
var id_txt; //text_write
var id_hdn;
var id_div; //div_show
function searchSuggest(sid,v_txt_id,v_hdn_id,v_div_id,v_args)
{
if(document.getElementById(''+v_txt_id+'').value==document.getElementById(''+v_hdn_id+'').value)
{
return;
}
document.getElementById(''+v_hdn_id+'').value=document.getElementById(''+v_txt_id+'').value;
id_txt = v_txt_id;
id_hdn = v_hdn_id;
id_div = v_div_id;
if (document.getElementById(''+id_txt+'').value.length>0)
{
var str=escape(document.getElementById(''+id_txt+'').value);
url="../WebService/Sv_Search.aspx?sid="+sid+"&t="+new Date().getTime()+"&args="+v_args+"&search="+str;
searchReq.open("get",url);
searchReq.onreadystatechange=handleSearchSuggest;
searchReq.send(null);
}
else
{
document.getElementById(''+id_div+'').innerHTML="";
document.getElementById(''+id_div+'').style.display="none";
}
}
function handleSearchSuggest()
{
if(searchReq.readyState==4)
{
var ss=document.getElementById(''+id_div+'');
ss.innerHTML="";
s0=searchReq.responseText.length;
if (s0>0)
{
xmldoc=searchReq.responseXML;
var message_nodes=xmldoc.getElementsByTagName("message");
var n_messages=message_nodes.length;
if (n_messages<=0)
{
document.getElementById(''+id_div+'').innerHTML="";
document.getElementById(''+id_div+'').style.display="none";
}
else
{
document.getElementById(''+id_div+'').style.display="block";
for (i=0;i<n_messages;i++ )
{
var suggest='<div onmouseover="javascript:suggestOver(this);"';
suggest+='onmouseout="javascript:sugggestOut(this);"';
suggest+='onclick="javascript:setSearch(this.innerHTML);"';
suggest +='class="suggest_link">'+message_nodes[i].getElementsByTagName("text")[0].firstChild.data+'</div>';
ss.innerHTML +=suggest;
}
}
}
else
{
document.getElementById(''+id_div+'').innerHTML="";
document.getElementById(''+id_div+'').style.display="none";
}
}
else
{
//alert('网络连接失败');
}
}
function suggestOver(div_value)
{
div_value.className='suggest_link_over';
}
function sugggestOut(div_value)
{
div_value.className='suggest_link';
}
function setSearch(div_value)
{
document.getElementById(''+id_hdn+'').value=div_value;
document.getElementById(''+id_txt+'').value=div_value;
document.getElementById(''+id_div+'').innerHTML="";
document.getElementById(''+id_div+'').style.display="none";
}SearchText.ascx
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="SearchText.ascx.cs" Inherits="Controls_SearchText" %>
<script language="javascript" src="../Scripts/search.js"></script>
<input runat="server" id="txtSearch" name="txtSearch" type="text" autocomplete="off" />
<input runat="server" id="hdnSearch" name="hdnSearch" type="hidden" />
<br><div runat="server" id="search_suggest" style="display:none;" class="search_suggest"></div>
<style>
/**//*----------类似Google边输边搜样式----------*/
.suggest_link {}{
background-color:#fff;padding:2px 6px 2px 6px;cursor:default;
}
.suggest_link_over {}{
background:#e8e2fe;padding:2px 6px 2px 6px;cursor:pointer;
}
.search_suggest {}{
z-index:999;position:absolute;color:gray;background-color:#ffffff;text-align:left;border:1px solid gray;
}
/**//*-------------------------------------------*/
</style>
<!--SearchText.ascx.cs-->
<%
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
public partial class Controls_SearchText : System.Web.UI.UserControl
{
#region property
private string _Sid = "";
private string _Args = "";
public bool ReadOnly
{
set
{
if (value == true)
{
this.txtSearch.Attributes.Add("readonly", "readonly");
}
else
{
this.txtSearch.Attributes.Remove("readonly");
}
}
}
public string Width
{
set
{
this.txtSearch.Style["width"] = value;
this.search_suggest.Style["width"] = value;
}
}
public string CssClass
{
set
{
this.txtSearch.Attributes["class"] = value;
}
}
/// <summary>
/// 用于指向所要查询的数据源，必填
|