asp.NetはどのようにあるページのrequestEncodingをutf-8に設定します

web.config      <globalization requestEncoding="gb2312" responseEncoding="gb2312" />
        utf8                 utf8     

 webconfig   configuration          ，path       ，           


...        
<location path="UserManage/LinkManage.aspx">
    <system.web>
      <globalization fileEncoding="utf-8" requestEncoding="utf-8" responseEncoding="utf-8" culture="zh-CN"/>
    </system.web>
  </location>
</configuration>