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Subject:
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Read xpath query from node value
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Posted By:
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jaquing
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Post Date:
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1/9/2006 1:39:09 PM
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I would like to populate a drop list with options from an XML doc. However each option has disply/no-display conditions.
How can I execute the xpath query contained in the doc and check the true/false result condition?
ie(
<optionNodeRoot>
<option>
<value>blah1</value>
<show>../../stepID = 1</show>
</option>
<option>
<value>blah2</value>
<show>../../stepID = 2</show>
</option>
<option>
<value>blah3</value>
<show>../../stepID = 3</show>
</option>
</optionNodeRoot>
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Reply By:
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mhkay
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Reply Date:
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1/9/2006 3:20:50 PM
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There's no standard way of doing dynamic XPath evaluation in XSLT (1.0 or 2.0). A number of products have an extension function, usually called xx:evaluate(). Saxon also has saxon:evaluate-node() which is designed specifically for the use case where the XPath expression is within a source document and relative to the node it is contained in. Alaternatively, call out to a selectSingleNode() or similar method in JavaScript.
Michael Kay
http://www.saxonica.com/
Author, XSLT Programmer's Reference and XPath 2.0 Programmer's Reference
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Reply By:
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jaquing
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Reply Date:
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1/11/2006 5:50:28 PM
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Great, thanks for the reply. I'll look up usage of the evaluate() function available in InfoPath 2003
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