系统WIN7，开发工具Visual Studio 2013（Framework都是选择的4.5、默认的IIS Express），我想配置一个处理程序，专门来处理一类访问，但是配置后没反应  调试进入不了自定义的Handle文件。  但是用系统win2003 server，开发工具Visual Studio 2010（Framework都是选择的3.5、默认的ASP.NET Development Server）同样的代码就一切OK。

 config文件中Handlers中配置如下:

<?xml version="1.0" encoding="utf-8"?>

<!--   有关如何配置 ASP.NET 应用程序的详细信息，请访问   http://go.microsoft.com/fwlink/?LinkId=169433   -->

<configuration> 

<configSections>    
　　<sectionGroup name="applicationSettings" type="System.Configuration.ApplicationSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >       　　　　          <section name="Sdk.Web.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />    
　　</sectionGroup>  
</configSections>  
<appSettings>    
　　<add key="strconn" value="server=192.168.100.20;database=db;uid=sa;pwd=123"/>    
　　<add key="AjaxHttpHandler" value="zn.Fybx.Rule"/>   </appSettings>   <system.webServer>    
　　<validation validateIntegratedModeConfiguration="false"/>    
　　<handlers>      
　　　　<add name="AscxHttpHandler" verb="GET,POST" path="*.ascx" type="zn.Web.AscxHttpHandler,zn.Web"/>      
　　　　<add name="AjaxHttpHandler" verb="GET,POST" path="*.ajax,*.json," type="zn.Web.AjaxHttpHandler,zn.Web"/>    
　　</handlers>

    <httpErrors errorMode="Custom" >       <remove statusCode="401" subStatusCode="-1" />       <remove statusCode="403" subStatusCode="-1" />       <remove statusCode="404" subStatusCode="-1" />       <remove statusCode="500" subStatusCode="-1" />

      <error statusCode="401" path="/401.html" responseMode="ExecuteURL" />       <error statusCode="402" path="/402.html" responseMode="ExecuteURL" />       <error statusCode="403" path="/403.html" responseMode="ExecuteURL" />       <error statusCode="404" path="/404.html" responseMode="ExecuteURL" />     </httpErrors>     <security>       <requestFiltering >         <requestLimits maxAllowedContentLength="1073741824" ></requestLimits>       </requestFiltering>     </security>   </system.webServer>   <system.web>     <compilation debug="true" targetFramework="4.5" />

    <!--<httpHandlers>       <add verb="GET,POST" path="*.ascx" type="zn.Web.AscxHttpHandler,zn.Web"/>       <add verb="GET,POST" path="*.ajax,*.json," type="zn.Web.AjaxHttpHandler,zn.Web"/>     </httpHandlers>-->     <webServices>       <protocols>         <add name="HttpGet"/>         <add name="HttpPost"/>       </protocols>     </webServices>     <globalization  requestEncoding="UTF-8" responseEncoding="UTF-8" fileEncoding="UTF-8" culture="zh-CN" uiCulture="zh-CN"/>

    <!--<customErrors mode="On"   defaultRedirect="/404.html">       <error statusCode="401" redirect="/401.html" />       <error statusCode="402" redirect="/402.html" />       <error statusCode="403" redirect="/403.html" />       <error statusCode="404" redirect="/404.html" />     </customErrors>-->     <httpRuntime requestValidationMode="2.0" maxQueryStringLength="2097151" maxRequestLength="10097151" executionTimeout="18000" />

    <pages validateRequest="false" />   </system.web>   <!--<location path="/tab.aspx">     <system.web>       <compilation debug="true" targetFramework="2.0" />       <globalization  requestEncoding="gb2312"  responseEncoding="UTF-8"  culture="zh-CN" fileEncoding="UTF-8" uiCulture="zh-CN"/>       <httpRuntime requestValidationMode="2.0" maxQueryStringLength="2097151" maxRequestLength="2048000" executionTimeout="18000" />     </system.web>   </location>-->   </configuration>