RE: [xsl] String comparison

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

Michael Kay

 XSL-List info and archive:

Current Thread