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Private static readonly object ReflectionLock = new object();
Lock (ReflectionLock)
{
Type scriptManagerType =
Type.GetType(
"System.Web.UI.ScriptManager, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35",
false);
if (scriptManagerType != null)
// ASP.NET AJAX is installed.
else
// ASP.NET AJAX is not installed.

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ScriptManager sm = ScriptManager.GetCurrent(Page)
if (sm == null)
{
// ASP.NET AJAX functionality is not enabled for the page.
}
else
{
// AJAX functionality is enabled for the page.
}

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ͬÑù£¬¿ÉÒÔͨ¹ý´Ë·½·¨£¬¶ÔÆäËüµÄ×é¼þ½øÐÐÅжϣ¬ÈçActiveReportµÄÅжϠ "DataDynamics.ActiveReports.Web.Handlers.CompiledReportHandler, ActiveReports.Web, Version=5.1.0.158, Culture=neutral, PublicKeyToken=cc4967777c49a3ff",
Õâ¸öÐÅÏ¢ÊÇ´ÓWebConfigÎļþÖеõ½µÄ¡££¨²»°²×°Ê±»á±¨´í¡£²é¿´ÏàÓ¦µÄ´íÎóÓï¾ä£©
 <add path="Reserved.ReportViewerWebControl.axd" verb="*" type="Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" validate="false" />
      <add verb="*" path="*.rpx" type="DataDynamics.ActiveReports.Web.Handlers.RpxHandler, ActiveReports.Web, Version=5.1.0.158, Culture=neutral, PublicKeyToken=cc4967777c49a3ff" />


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index.jsp
<html>
<head>
<style >
 #child{
  color: #333;
  width:200px;
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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 AlltripDLL;
public pa ......

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# app\controllers\examples_controller.rb
ruby ´úÂë
 
class ExamplesController < ApplicationController  
  
  def ajax_select  
    @items = %w{AA BB}  
  end   ......

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