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Re: Assigning variable values

Subject: Re: Assigning variable values
From: Georges Claessen <georgesdamata@xxxxxxxxx>
Date: Fri, 24 May 2002 12:30:07 -0700 (PDT)
assigning value in xslt
Hi Joerg. You said that I couldn't change the value of
an global scope variable. But I do this and it works
perfectly. In fact many people say that it won´t work,
but it remains as a mistery to me cause I made it
work.
Thanks for your attention! :o)

--- Joerg Heinicke <joerg.heinicke@xxxxxx> wrote:
> Hello Georges,
> 
> the variable got out of scope, if you declare them
> in <xsl:when/>. You 
> have to turn around the XSL-elements:
> 
> <xsl:variable name="teste" select="'um'"/>
> <xsl:variable name="um" select="'um'"/>
> <xsl:variable name="dois" select="'dois'"/>
> 
> <xsl:template match="/">
>      <xsl:variable name="teste">
>        <xsl:choose>
>            <xsl:when test="$teste='um'">
>              <xsl:value-of select="$dois"/>
>            </xsl:when>
>            <xsl:otherwise>
>              <xsl:value-of select="$um"/>
>            </xsl:otherwise>
>        </xsl:choose>
>      </xsl:variable>
>      <xsl:value-of select="$teste"/>
> </xsl:template>
> 
> But I don't know whether you know that variables
> can't be re-assigned. 
> So in the global variable there is still stored
> 'um', only in the local 
> one the value is 'dois'. This behaviour can be
> reproduced with MSXML. 
> With Xalan it's not possible. You will get an error
> "Variable accessed 
> before it is bound!" I think that's not the correct
> behaviour, is it?
> 
> Joerg
> 
> Georges Claessen wrote:
> > Could somebody help me on this issue? I am having
> a
> > problem assingning values to a variable. Look 
> > the example:
> > 
> > --------------------------------------------
> > These ones were declared globally:
> > 
> > <xsl:variable name="teste" select="'um'"/>
> > <xsl:variable name="um" select="'um'"/>
> > <xsl:variable name="dois" select="'dois'"/>
> > --------------------------------------------
> > 
> > 
> > --------------------------------------------
> > This code was declared inside a template:
> > 
> > <xsl:choose>
> > 
> >        <xsl:when test="$teste = 'um'">
> >             <xsl:variable
> name="teste"><xsl:value-of 
> > select="$dois"/></xsl:variable>
> >        </xsl:when>
> > 
> >        <xsl:otherwise>
> >             <xsl:variable name="teste"
> select="$um"/>
> >        </xsl:otherwise>
> > 
> > </xsl:choose>
> > 
> > <font face="arial" size="3"><xsl:value-of
> > select="$teste"/></font>
> > --------------------------------------------
> > 
> > 
> > This code only returns me the value 'um'. The when
> > clause is working, 
> > but the assigning of value to the $teste variable
> is
> > no working 
> > inside the choose clause.
> > 
> > Could somebody please help me? Thank you very
> much!
> > 
> > Georges Claessen
> > Brazil
> 
> 
>  XSL-List info and archive: 
> http://www.mulberrytech.com/xsl/xsl-list
> 


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