How to extract an namespace specified attribute from XML , for examle
<ReturnTable xmlns="" xmlns:diffgr="urn:schemas-microsoft-com:xml-diffgram-v1" diffgr:id="ReturnTable1" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata" msdata:rowOrder="0" diffgr:hasChanges="inserted">
<xml>
some XML text
</xml>
<error/>
</ReturnTable>
I need to extrace the value of "msdata:rowOrder" attribute.