聽說讀寫

<configuration>    <configSections>      <section name="facebookSettings" type="Facebook.FacebookConfigurationSection"/>    </configSections>    <facebookSettings       appId="appid"       appSecret="appsecret"       cookieSupport="true" />    <system.web>    <compilation debug="false" targetFramework="4.0" />      <httpHandlers>          <add verb="*" path="facebookredirect.axd"                 type="Facebook.Web.FacebookAppRedirectHttpHandler, Facebook.Web" />      </httpHandlers>    </system.web>    <system.webServer>    <validation validateIntegratedModeConfiguration="false"/>    <modules runAllManagedModulesForAllRequests="true"/>    <handlers>      <add name="facebookredirect.axd" verb="*" path="facebookredirect.axd"                                             type="Facebook.Web.FacebookAppRedirectHttpHandler, Facebook.Web" />    </handlers>  </system.webServer></configuration>