크로스 사이트 ajax 호출

    <httpProtocol>

      <customHeaders>

        <add name="Access-Control-Allow-Origin" value="*" />

        <!--<add name="Access-Control-Allow-Methods" value="GET, POST, PUT, DELETE, OPTIONS"/>

        <add name="Access-Control-Allow-Headers" value="Origin, X-Requested-With, Content-Type, Accept" />-->

      </customHeaders>

    </httpProtocol>

  </system.webServer>

    <system.web>

      <compilation debug="true" targetFramework="4.5"/>

      <httpRuntime targetFramework="4.5"/>

      <webServices>

        <protocols>

          <!--<add name="HttpGet"/>-->

          <add name="HttpPost"/>

        </protocols>

      </webServices>

    </system.web>