Rob just wanted to thank you for your reply and making me understand exactly
the error in the way I was understanding how the for-each works. This fixed
my problem. Once again thanks for the prompt reply.
John M. Fernandes
-----Original Message-----
From: me(_at_)robrohan(_dot_)com [mailto:me(_at_)robrohan(_dot_)com]
Sent: Thursday, May 01, 2003 3:08 PM
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: Re: [xsl] Comparing Variables
Hi I am still new to this technology so bare with my
problem.
I have a default value from a xml document for an
employee as <employee>John
Doe</employee>.
In the XSL stylesheet I have a node set creating a
drop
down list as
described below
<select name="employee">
<xsl:for-each select="$v_employee/name">
<option value="{.}"><xsl:value-of
select="."/></option>
</xsl:for-each>
</select>
My problem is this. I want to be able to compare as
each list item is being
created the value of the current item to the default
value in employee, so
that I may make that value on the list the Selected
Item. I have tried the
attempt below. However it seems that the value of the
default value
(employee) is always null.
Just so you know (you say you are new) - when using a
value-of and the thing you are trying to access doesn't
exists, it will return null as opposed to an error.
***<xsl:value-of select="employee"/> --- Value is John
Doe ***********
at this point you could set
<xsl:variable name="sKeeper" select="employee" />
<select name="employee">
<xsl:for-each select="$v_employer/employer/option">
***<xsl:value-of select="employee"/> --- Value is
empty
When you use the for-each you are moved into that part
of the tree. Meaning everything is relative to the point
$v_employer/employer/option. Is there an employee
element like $v_employer/employer/option/employee? if
not that is why it is null.
***********
if you use that variable comment above you could do
something like
<xsl:if test="string($sKeeper) = string(.)">
etc etc
<xsl:if test="employee= '{.}">
<option value="{.}"
selected="selected"><xsl:value-of
select="./description"/></option>
</xsl:if>
<xsl:if test="not(employee= '{.}')">
<option value="{.}" "><xsl:value-of
select="./description"/></option>
</xsl:if>
</xsl:for-each>
</select>
I guess my question is can this be done or how can I
bring a value from the
main template in to be compared to the item on the
list
as it is iterating
through it.
I think you were just missing the fact that your
context moves.
Cheers,
Rob
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