[Zope] newbie : select tag value setting problem

[prabuddha ray]

I've this 'district' select tag .I'm getting the values usinga ZSQL method.
I want to set the value of the option by the district code and the
display the district name.

I tried this :
<div tal:repeat="district container/getDistrict">
<option tal:attributes="selected
python:test(distname==district.district_name, 'selected','');
     value district/district_code">
 <span tal:content="district/district_name"></span>
</option>
</div>

the drop down list is getting the district names but value is being
set only once.
i checked the request values and its giving the 1st list value everytime.

plz tell me how should i use the tal:attribute tag here so as to get
both the 'value' and the 'name' values as a list.
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