Thanks for your reply. I did not know that xsl did not
have the concept of null.

Archana

 
--- "Martinez, Brian" <brian.martinez@xxxxxxxxxxx>
wrote:
> > From: Archana Rao
> [mailto:archana_heroor@xxxxxxxxx]
> > Sent: Monday, October 13, 2003 9:25 AM
> > Subject:  String comparison
> > 
> > 
> > Hi,
> > 
> > I am trying to comparing to see is a string is
> null,
> > 
> > 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.
> 
> Assuming that line wasn't a direct paste from your
> stylesheet (because it's
> missing a closing double quote on the test
> attribute), then I would need to
> see more of your stylesheet (and sample XML) before
> commenting further.  I
> would point out, however, that XSLT/XPath has no
> concept of "null"--it is
> possible to return an empty string, an empty
> node-set, or NaN (not a
> number), but null is not defined.
> 
> cheers,
> b.
> 
> | brian martinez                          
> brian.martinez@xxxxxxxxxxx |
> | lead gui programmer                               
>     303.357.3548 |
> | cheap tickets, part of trip network               
> fax 303.357.3380 |
> | 6560 greenwood plaza blvd., suite 400          
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> 
>  XSL-List info and archive: 
> http://www.mulberrytech.com/xsl/xsl-list
> 


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