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Re: Setting values for variable

Subject: Re: Setting values for variable
From: Colin Paul Adams <colin@xxxxxxxxxxxxxxxxxx>
Date: 10 Sep 2004 07:03:54 +0100
>>>>> "john" == john lee <excel_man@xxxxxxxxxxx> writes:

    john> Dear All, How do you set a value for a variable without
    john> declaring the name of the variable twice.  This is what I
    john> intend to do.

    john> <xsl:variable name="pterm" select="0"/> <xsl:for-each
    john> select="$lstAccount[Account_Type=$grpRecord]"> <xsll:choose>
    john> <xsl:when test="string-length(normalize-space(Payment))!=0">
    john> <xsl:variable name="pterm" select="$pterm + Payment"/>
    john> </xsl:when> <xsl:otherwise> <xsl:variable name="pterm"
    john> select="$pterm + 0.02*Balance"/> </xsl:otherwise>
    john> </xsl:choose> </xsl:for-each> <xsl:value-of
    john> select="$pterm"/>

    john> But this will generate error since pterm is declared more
    john> than once.  Anybody know what's the other way around this ?

You don't need a variable at all. Just code the xsl:value-of within
each when/otherwise branch.

Variables in functional languages such as XSLT are like variables in
mathmatices. They are declarations of values, not assignments.

Just as in mathmatics:

x = x + 1

for instance, makes no sense - rather you would say y = x + 1.

Colin Paul Adams
Preston Lancashire

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