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RE: [xsl] Scope of variables

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[ Karl J. Stubsjoen]

> 1)  If I define a variable at the top of a template rule and 
> then later try
> to update the value of this variable later down in the 
> template, I always
> get the error "Can't define variable twice...".  So how do 
> you reassign a
> value to a variable.

Karl, Google is your friend - the first hit with this search is a useful
page -

xslt faq variable scope

This first hit is 

> 
> 2) About scope:  Within a for-each loop I have a choose.  In 
> the choose I
> have a single test and an otherwise.  The result of the 
> choose is setting
> the value of a variable.  Just below this choose logic I am 
> referencing the
> value but am getting the error "A reference to variable or parameter
> 'currentVAL' cannot be resolved".  Where did I lose scopE on 
> this variable
> (currentVAL)?
> Here is a bit of the code from this template:
> 
> BEGIN SNIPPET...
> 
>  <xsl:for-each select="$xmTmplt/FLDS/FLD">
>  <xsl:variable name="innerFLD" select="@name" />
>     <!-- DETERMINE IF TEMPLATE DOC HAS A DEFAULT VALUE SET -->
>         <xsl:choose>
>      <xsl:when test="'a'='a'">
>       <xsl:variable name="currentVAL">TESTING</xsl:variable>
>         </xsl:when>
>         <xsl:otherwise>
>       <xsl:variable name="currentVAL" 
> select="$outerCurrent/@*[name() =
> $innerFLD]"/>
>         </xsl:otherwise>
>         </xsl:choose>
>     <xsl:if test="@viewable='true' or not(@viewable)">
>            <tr>
>             <td><!-- lookup text for display in xml template -->
>             <xsl:value-of select="@text"/></td>
>          <td>
>             <xsl:choose>
>                 <xsl:when
> test="$xmTmplt/FLDS/FLD[@name=$innerFLD]/@edit='true'">
>                 <!-- make edit fields -->
>              <xsl:call-template name="MAKE_INPUT_BOX">
>                 <xsl:with-param name="input_name"><xsl:value-of
> select="$innerFLD"/></xsl:with-param>
>                 <xsl:with-param name="input_value"><xsl:value-of
> select="$currentVAL"/></xsl:with-param>
> 
> .... END SNIPPET
> 
> Thanks for the help,
> Karl
> 
> 
>  XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list
> 
> 

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