row.id should contain the record id, shouldn't it?
db.location.name.represent = lambda name, row: \
A(name, _href=URL('update', args=row.id, user_signature=True)))
row.id should contain the record id, shouldn't it?
db.location.name.represent = lambda name, row: \
A(name, _href=URL('update', args=row.id, user_signature=True)))