Subject: Re: [xsl] Testing a variable for node From: "rowan@xxxxxxxxxxxxxxxxxxxxx" <rowan@xxxxxxxxxxxxxxxxxxxxx> Date: Fri, 9 Oct 2009 09:09:56 -0400 |
>rowan@xxxxxxxxxxxxxxxxxxxxx wrote: >> How do I test a variable to see whether it contains a node, or something >> else (usually, in the case I'm working on, an empty string)? Everything I >> try causes an error if the variable contains a string. I have some code >> that will only work on nodes, and before calling this code I need to test >> and do something different if the variable doesn't contain a node. Martin.Honnen@xxxxxx wrote: >Is that XSLT/XPath 1.0 or 2.0? >With 2.0 there is the operator 'instance of': > $v instance of node() I'm using 2.0 and this does exactly what I need. Great advice as usual! Thanks - Rowan -------------------------------------------------------------------- mail2web.com - Microsoft. Exchange solutions from a leading provider - http://link.mail2web.com/Business/Exchange
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