>One more thought on this Michel ... since it seems that you might be working with these people who are providing this WebService for you ... ask them to add additional methods that simply call their existing methods and then do the GetXML() afterwards. IOW:

Yes, this is what I thought when I read your first post.

IAC, this is only for a temporary access to a Web Service. The main Web Service, for the required needs, will be provided by another party later on and should be done more standard.