Thanks Anthony. That makes sense.
Regards
Johann
On 30 January 2014 16:37, Anthony <abasta...@gmail.com> wrote:
> Looks like you've got survey_id as a variable in your URL query string, so
> it will end up in request.get_vars. When you edit a record, the form also
> includes a survey_id variable, which will end up in request.post_vars.
> request.vars is a combination of get_vars and post_vars, so if they both
> contain a variable with the same name, when merged into request.vars, those
> values get combined into a list.
>
> To avoid the problem, just use request.get_vars.survey_id in your code (or
> use a variable name other than survey_id in your query string).
>
> Anthony
>
>
> On Thursday, January 30, 2014 8:08:29 AM UTC-5, Johann Spies wrote:
>>
>>
>> In the following controller when edit a row and submit,
>> request.vars.survey_id changes from '3' to ['3', '3']
>> but not if I click on 'Back' without editing. Why?
>>
>> I had to use the following workaround:
>>
>> survey_id = request.vars.survey_id[0] if isinstance(survey_id, list)
>> else request.vars.survey_id
>>
>>
>> @auth.requires_login()
>> def edit_survey():
>> response.view = 'default/survey_create.html'
>> survey_id = request.vars.survey_id
>> if isinstance(survey_id, list):
>> survey_id = survey_id[0]
>> survey = db.survey[survey_id]
>> db.questions.id.readable = False
>> if survey_id:
>> query = db.questions.survey_id== survey_id
>> fields = [db.questions.question_number,
>> db.questions.question,db.questions.answer_type,
>> db.questions.id]
>> questions = SQLFORM.grid(query,
>> editable = True,
>> deletable = True,
>> create = True,
>> searchable = False,
>> maxtextlength = 100,
>> orderby=db.questions.question_number)
>> header = H3(T('%s for editing' % db.survey[survey_id].name))
>> else:
>> header = H3(T('No valid survey selected'))
>> form = ''
>> return dict(header = header, form = questions)
>>
>> Regards
>> Johann
>>
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