RE: [xsl] how do you redefine a variable

Subject: RE: [xsl] how do you redefine a variable
From: "Michael Kay" <mhkay@xxxxxxxxxxxx>
Date: Wed, 28 Feb 2001 03:12:22 -0000
Daniel, can I suggest you do some reading? I know there's a steep learning
curve for XSLT, but there are plenty of tutorials, books, FAQs etc on which
you will find answers to this common question. Sending four messages a day
to a busy list is an inefficient way of organizing your learning.

To find out whether position() is odd or even, test the value of position()
mod 2.

Mike Kay

> -----Original Message-----
> From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> [mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx]On Behalf Of
> Daniel Newman
> Sent: 27 February 2001 16:30
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: [xsl] how do you redefine a variable
> I'm trying to colour my table rows, either one colour or another.
> I thought I'd do something similar to how I do it ASP.
> <xsl:variable name="rowCounter">1</xsl:variable>
> <xsl:for-each select="">
>   <xsl:choose>
>     <xsl:when test="$rowCounter = 1">
>       <xsl:variable name="bgcolor">red</xsl:variable>
>       <xsl:variable name="rowCounter">0</xsl:variable>
>     </xsl:when>
>     <xsl:otherwise>
>       <xsl:variable name="bgcolor">blue</xsl:variable>
>       <xsl:variable name="rowCounter">1</xsl:variable>
>     </xsl:otherwise>
>   </xsl:choose>
> </xsl:for-each>
> BUT, it won't let me reallocate $rowCounter as it's already
> defined. So, how
> could I do this using the wonders of XSL. I thought about getting the
> position() value, and doing something with this, but it would
> ultimately
> need to be a 0 or 1 (or 1 or 2 if that's easier). Is there an If
> odd(position()), if even(position()) syntax I could use?
> Thanks for now.....
> Daniel.
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