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<< XQuery .NET and XML >>

By	Michael Corning
First Posted	04/30/2001
Times viewed	474

Avoid NaN in XPath sum() function

Summary The XPath sum() function returns NaN (not a number) if the node contains at least one value that cannot be coerced to numeric, e.g., a null value.

xxx

Additional information
<?xml-stylesheet type="text/xsl" href="testSum.xsl"?> <foo> <x>1</x> <a> <x>2</x> </a> <x>3</x> <a> <x>4</x> </a> <x/> <a> </a> </foo>

Further additional information
n/a

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