Re: [Zope] alternating colors based on sequence-index of outer loop

25 Mar 2002

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"hans" == hans  <hans@beehive.de> writes:
hans> There is a prefix attribute to dtml-in, which allows you to
    hans> name the different sequence iterators.For details see
    hans> http://www.zope.org/Members/michel/ZB/AppendixA.dtml cheers

Thanks, that is exactly what I am looking for.  I am, however, having
trouble using the sequence-var-variable syntax with prefixes from the
outer loop.  Eg, section_var_id gives a key error in the example
below

      <dtml-in expr="Sections.objectValues('Section')"
	       prefix="section">

         <dtml-in expr="_['section_item'].objectValues('Student')" 
		  prefix="student" sort="last_name">
            <tr>
	     <dtml-if student_start>
                <th rowspan=<dtml-var student_length>><dtml-var section_var_id></th>
	     </dtml-if>

                ...[snip]...
	   </tr>
         </dtml-in>
      </dtml-in>

although I can still access that value with 
<dtml-var expr="_['section_item'].id">

Am I missing the syntax, or is there a problem using prefixes with the 
sequence-var-variable syntax?

Thanks for your help,
John Hunter

Zope 2.5.1b1