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James DelaneySubject: XSL:Key use
Author: James Delaney
Date: 17 Aug 2009 04:24 PM
Hello all,

I'm having an issue setting up my xpath paths to properly assign my use in xsl:key.

I have an XML of the following:

<Census>
<Spring2009>
<Student>
<TotCredits>...</TotCredits>
</Student>
</Spring2009>
<Fall2008>
<Student>
.
.
.
<TotCredits>
.
.
.
</TotCredits>
</Student>
</Fall2008>



This key is working, as the use @Id is within the Fall2008/Student path:
<xsl:key name="StudentId" match="Census/Fall2008/Student[@AdmitTerm='Fall Semester 2008' and @ProgramType='Freshman FX']" use="@Id"/>


This key is not working, as the use @Id is looking within the /TotCredit Path:

<xsl:key name="StudentId_Soph_Male" match="Census/Fall2008
/Student[Classification='trad undergrad' and Gender='Male']/TotCredits[(@UG&gt;29.99) and (@UG&lt;60)]" use="@Id">

How do I define an xpath (if I can) to have the xsl:key "use" step backwards to its parent? Attempting //@Id will match it to the wrong group (Spring2009) as it comes first in the XML data file. And I can not apear to get sibling::parent relations properly formed.

Thanks for your help as always
Postnext
James DelaneySubject: XSL:Key use
Author: James Delaney
Date: 17 Aug 2009 07:47 PM
Used: <xsl:key ..... use="../@Id"/> to select the parent node and it worked. However, why didn't an absolute path work to the @Id attribute?
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Tony LavinioSubject: XSL:Key use
Author: Tony Lavinio
Date: 18 Aug 2009 04:07 PM
//@Id and ../@Id are very different.

There is only one parent to any given TotCredits element, and it's
a Student element. So ../@Id returns one value.

But //@Id returns the set of all @Id attributes in the entire
document.
 
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