[xsl] Testing for a parameter

Subject: [xsl] Testing for a parameter
From: Aaron Johnson <artpunx@xxxxxxxxx>
Date: Tue, 9 Aug 2005 16:22:32 +0100

May I ask, how would you check for a parameter being passed into a
stylesheet so as to invoke a template?

I would like to have a method, where if a visitor comes to a page and
has not made a choice from a drop down list, the default parameter
would be "noChoice" and this template would be replaced with a piece
of text in the table cell. I think an "if test" would be the job, but
I am unfamiliar with parameter test syntax.

<td colspan="2" class="myuweWhite">
	 <xsl:call-template name="photos">
	<xsl:with-param name="recordsInGroup"
select="//atg:record[../@groupName=$group_name]" />

Any advice would be really appreciated.


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