I have this fucntion which will drop down list all owner name and a
submit button. after i click on e submit button, e screen will display
all dogs below to e selected owner (from dropdownlist)

def index():

    records=db(db.dog.owner==request.vars.owner)\
             .select(orderby=db.dog.title)
    form=SQLFORM(db.entry,fields=['owner'])

but now, i would like to add in this function (below) after click the
submit button, it will save "only" e selected owner and his all dogs.
and how can i set the name of the file to be saved according to the
owner name plus the datetime


 s=StringIO.StringIO()
 records.export_to_csv_file(s)
 response.headers['Content-Type']='text/csv'
 return s.getvalue()


thanks in advance
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