Great to know you found it...I was having the same problem a few days ago and couldn't figure it out. Now, I will borrow your solution :)

>>Michel one thing about expires is the following if you are in diferent time zones then you can have a problem since what IIS is doing is putting a datetime for validation of the page so what is 5 minutes to the server can be several hours and five minutes to the client.
>>I hope that this explanation will help you if not and don't know what else I can tell you.
>
>Ok, I did successfully accomplished it.
>
>It took me a while to figure how to do it. I haven't found any direct way in WWC to do it. So, I did it manually.
>
>

>FUNCTION ToXML
>LOCAL lcHtml,lcHeader
>lcHeader=''
>lcHeader=lcHeader+'HTTP/1.0 200 OK'+CHR(10)
>lcHeader=lcHeader+'Content-type: text/xml'+CHR(10)
>lcHeader=lcHeader+'Expires: -1'+CHR(10)
>lcHeader=lcHeader+CHR(10)
>CURSORTOXML(ALIAS(),'lcHtml',1,48,0,'')
>lcHtml=lcHeader+lcHtml
>RETURN lcHtml
>