Here is my problem:
<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />
Thanks for your request. Word document is flow document and does not contain any information about its layout into lines and pages. Therefore, technically there is no “Page” concept in Word document.
Aspose.Words uses our own Rendering Engine to layout documents into pages. And we have plans to expose layout information. Your request has been linked to the appropriate issue. You will be notified as soon as this feature is supported.
As a workaround you can try using PageNumberFinder class suggested by Adam in this thread: