RE: [xsl] String comparison

> 
> 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

Current Thread
[xsl] String comparison Archana Rao - Mon, 13 Oct 2003 08:24:51 -0700 (PDT) Mukul Gandhi - Mon, 13 Oct 2003 09:24:03 -0700 (PDT) Michael Kay - Mon, 13 Oct 2003 17:49:07 +0100 <= Brook Ellingwood - Mon, 13 Oct 2003 14:36:43 -0700 Wendell Piez - Mon, 13 Oct 2003 17:53:07 -0400 <Possible follow-ups> Jarno . Elovirta - Mon, 13 Oct 2003 19:01:10 +0300 Martinez, Brian - Mon, 13 Oct 2003 10:09:03 -0600

Current Thread

[xsl] String comparison
- Archana Rao - Mon, 13 Oct 2003 08:24:51 -0700 (PDT)
  - Mukul Gandhi - Mon, 13 Oct 2003 09:24:03 -0700 (PDT)
  - Michael Kay - Mon, 13 Oct 2003 17:49:07 +0100 <=
  - Brook Ellingwood - Mon, 13 Oct 2003 14:36:43 -0700
    - Wendell Piez - Mon, 13 Oct 2003 17:53:07 -0400
  - <Possible follow-ups>
  - Jarno . Elovirta - Mon, 13 Oct 2003 19:01:10 +0300
  - Martinez, Brian - Mon, 13 Oct 2003 10:09:03 -0600

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