RE: [xsl] String comparison

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RE: [xsl] String comparison

Subject: RE: [xsl] String comparison
From: Jarno.Elovirta@xxxxxxxxx
Date: Mon, 13 Oct 2003 19:01:10 +0300

Hi,

> I am trying to comparing to see is a string is null,

There is no concept of "null" in XPath or XSLT.

> 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.

See <http://www.w3.org/TR/xpath#booleans> how comparisons work in XPath.

Anyhow, you can just use

  <xsl:if test="$userid">

Cheers,

Jarno - DE/VISION: Endlose Traume

 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list

Current Thread
Re: [xsl] String comparison, (continued) 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 Jarno . Elovirta - Mon, 13 Oct 2003 19:01:10 +0300 <= Martinez, Brian - Mon, 13 Oct 2003 10:09:03 -0600 Archana Rao - Mon, 13 Oct 2003 09:14:09 -0700 (PDT) Jarno . Elovirta - Mon, 13 Oct 2003 19:23:23 +0300

Current Thread

Re: [xsl] String comparison, (continued)
- 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
- Jarno . Elovirta - Mon, 13 Oct 2003 19:01:10 +0300 <=
- Martinez, Brian - Mon, 13 Oct 2003 10:09:03 -0600
  - Archana Rao - Mon, 13 Oct 2003 09:14:09 -0700 (PDT)
- Jarno . Elovirta - Mon, 13 Oct 2003 19:23:23 +0300

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