Subject: RE: [xsl] String comparison From: "Michael Kay" <mhk@xxxxxxxxx> Date: Mon, 13 Oct 2003 17:49:07 +0100 |
> > I am trying to comparing to see is a string is null, There is no such thing as "null" in the XPath data model. Do you mean the string is empty (zero-length?) > > I have a param named userid, i want to check to see if > '$userid' is not null. > > I tried <xsl:if test="$userid!=''>, this does'nt seem > to help. > Show us how $userid is declared. I suspect I can guess the answer: it is a result tree fragment, not a string. Michael Kay XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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