On 3 March 2011 09:44, Merrilees, David
<David(_dot_)Merrilees(_at_)uk(_dot_)tesco(_dot_)com> wrote:
Hi
In XSLT2, how should I test for null, or empty parameters? For example, if I
have <xsl:param name="routeValues" as="node()?" /> how should I test whether
a value has been passed, or whether it's empty?
Typical you can just do:
test="$routeValues"
or be more explicit:
test="exists($routeValues)"
or depending on what gets passed in:
test="$routeValues/node()"
for structures or
test="normalize-space($routeValues)
to handle the case of the empty string being passed in.
--
Andrew Welch
http://andrewjwelch.com
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