I resolve my problem modifying file
C:\Zope\2.11.1\Zope\lib\python\DocumentTemplate\DT_InSV.py

Method __getitem__

Changing
        if l < 0:
            alt_prefix = self.alt_prefix
            if not (alt_prefix and key.startswith(alt_prefix)):
                raise KeyError, key

            suffix = key[len(alt_prefix):].replace('_', '-')
            if '-' in suffix:
                try: return self[suffix]
                except KeyError: pass
            prefix = 'sequence'
            key = 'sequence-' + suffix
        else:
            suffix=key[l+1:]
            prefix=key[:l]

TO
        if l < 0:
            alt_prefix = self.alt_prefix
            if not (alt_prefix and key.startswith(alt_prefix)):
                raise KeyError, key

            suffix = key[len(alt_prefix):].replace('_', '-', 1)    <---- changed to just one time replace
                                                                    #too my variable have a '_' and is bad replace
            #if '-' in suffix:                         <-- what do it? the original suffix always have '-'
            #    try: return self[suffix]             
            #    except KeyError: pass           
            prefix = 'sequence'
            key = 'sequence-' + suffix
            try:return self[key]              <-- the difference with the return above is what suffix
            except KeyError: pass            #have 'var-region_nombre and here is 'sequence-var-region_region'
        else:
            suffix=key[l+1:]
            prefix=key[:l]



All work fine until now

2008/11/10 Miguel Beltran R. <yourpadre@gmail.com>
The application is already designed with dtml. This is a little change.
Before I rename it the fields in zsql to avoid conflicts.



2008/11/8 Andreas Jung <lists@zopyx.com>

Any particular reason for using DTML instead of ZPT? DTML is dead.

-aj


On 06.11.2008 20:53 Uhr, Miguel Beltran R. wrote:
Hi list

After read http://plope.com/Books/2_7Edition/AppendixA.stx#2-19 I tried
use two dtml-in for get information from zsql diferents, but say "This
resource may be trying to reference a nonexistent object or variable
*'x_var_region'*."

what is missing?

The first dtml-in (prefix="q") only return one record.
The second dtml-in return 12 records.

[code]
<dtml-in expr="zsql_taller(
zregi=bregi, ztall=btall)"
prefix="q">
<p>
<form class="formulario" action="estado.html" id="main_form"
name="main_form">
<input type="hidden" name="accion" value="insertar" />

<ul>
<li><label for="bregi" class="titulo">REGION</label>
<select id="bregi" name="bregi">
<dtml-in dime_region prefix="x">
<option value="<dtml-var x_var_region>" <--- Here try access tha variable
<dtml-if expr="x_var_region==q_var_region">selected</dtml-if>
 >
</option>
</dtml-in>
</select>
</li>
</ul>

</form>
<p>
</dtml-in>
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________________________________________
Lo bueno de vivir un dia mas
es saber que nos queda un dia menos de vida



--
________________________________________
Lo bueno de vivir un dia mas
es saber que nos queda un dia menos de vida