The
CacheDuration attribute of a WebMethod does not work as intended in the .NET Framework 1.1. Methods that use
HTTP GET fail if the .NET Framework is v1.1. That's because, by default, the
HTTPGet protocol is not enabled. A simple workaround is to enable
HTTPGet in the
web.config file using the following code:
<webServices>
<Protocols>
<add name="HTTPGet"/>
</Protocols>
<webServices>