transformNodeToObject does not work to produce a .htm

Please help me in finding the problem why transformNodeToObject is not
working.
I have a the following xml and XSl files. i'm trying to produce a .htm
file from these with follwing code

Please tell me why the .htm is not produced
hr = pXMLDom->transformNodeToObject(pXSLDoc,
pXMLOut.GetInterfacePtr());
if( SUCCEDED(hr)  )
      hr = pXMLOut->save("ValidationLog.htm");


but it is able transform with the following code.


_bstr_t xmlStr = pXMLDom->transformNode(pXSLDoc);


XML file
===============


<?xml version="1.0"?>
<?xml-stylesheet type='text/xsl' href='ValidationLog.xsl'?>


<ValidationInfo>
<ValidationId>
<ID>1</ID>
<Source>AccessNames</Source>
<SubSource>Galaxy</SubSource>
<MessageType>SUPPORTED</MessageType>
<Message> ACCES Name is supported</Message>
<Operation>VALIDATION</Operation>
</ValidationId>
</ValidationInfo>


XSL file (validationLog.xsl)
============
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:msxsl="urn:schemas-microsoft-com:xslt"
xmlns:cs="urn:extra-functions"
version="1.0">



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