Try this one:
strXpath = \”/*[local-name()=’ProductionPerformance’ and namespace-uri()=’http://www.wbf.org/xml/b2mml-v02′%5D/*%5Blocal-name()=’ProductionResponse’ and namespace-uri()=’http://www.wbf.org/xml/b2mml-v02′%5D/*%5Blocal-name()=’SegmentResponse’ and namespace-uri()=’http://www.wbf.org/xml/b2mml-v02′%5D/*%5Blocal-name()=’MaterialConsumedActual’ and namespace-uri()=’http://www.wbf.org/xml/b2mml-v02′%5D%5B1%5D/*%5Blocal-name()=’MaterialConsumedActualProperty’ and namespace-uri()=’http://www.wbf.org/xml/b2mml-v02′%5D/*%5Blocal-name()=’ID’ and text()=’SAPInterface’ and namespace-uri()=’http://www.wbf.org/xml/b2mml-v02′%5D/parent::*/*[local-name()=’Value’ and namespace-uri()=’http://www.wbf.org/xml/b2mml-v02′%5D/*%5Blocal-name()=’ValueString’ and namespace-uri()=’http://www.wbf.org/xml/b2mml-v02′%5D\”;