I have three drop down select boxes, which I have to expand for web
visibility reasons with the size='' option. If I select one from each
box I receive no errors, but if I leave one or more boxes without a
selection I receive an error.
<select id="pathology_id" name="pathology_id" size="5">
{% for pathology in pathology_list %}
<option value="{{ pathology.id }}">{{ pathology.pathology }}</
option>
{% endfor %}
</select>
<select id="commodity_id" name="commodity_id" size="5">
{% for commodity in commodity_list %}
<option value="{{ commodity.id }}">{{ commodity.commodity }}</
option>
{% endfor %}
</select>
<select id="technology_id" name="technology_id" size="5">
{% for technology in technology_list %}
<option value="{{ technology.id }}">{{ technology.technology }}</
option>
{% endfor %}
</select>
ERROR:
MultiValueDictKeyError
Exception Value:
"Key 'pathology_id' not found in <QueryDict: {u'q': [u''],
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