SelectSingleNode return null - even with namespace
问题 I know this question has been asked in a similar fashion before, but I can't seem to get this working. I have some xml: <?xml version="1.0" encoding="ISO-8859-1" ?> <Research xmlns="http://www.rixml.org/2005/3/RIXML" xmlns:xalan="http://xml.apache.org/xalan" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" createDateTime="2011-03-29T15:41:48Z" language="eng" researchID="MusiJvs3008"> <Product productID="MusiJvs3008"> <StatusInfo currentStatusIndicator="Yes" statusDateTime="2011-03-29T15