You should not combine IS_IN_DB(db, 'table.id', 'table.name', multiple=True) with IS_NULL_OR()
because if multiple choices are permitted, zero choices are also permitted. Massimo On Jul 20, 1:32 pm, DenesL <[email protected]> wrote: > On Jul 20, 1:49 pm, David Zejda <[email protected]> wrote: > > > > > Hello, > > > for > > IS_NULL_OR(IS_IN_DB(db, 'table.id', 'table.name')) > > SQLForm generates a combo with a None as a selectable value. > > > There is also a relatively new support for multiple fields: > > IS_IN_DB(db, 'table.id', 'table.name', multiple=True) > > It generates a simple multi-select widget. > > > It would be nice to combine both functionalities to have a SQLForm > > support for: > > IS_NULL_OR(IS_IN_DB(db, 'table.id', 'table.name', multiple=True)) > > I think, the easiest way would be to add None to the multi-select values. > > > Thank you... > > > With regards > > David > > Hi David, > > you can already do: > IS_NULL_OR(IS_IN_DB(db, 'table.id', 'table.name', multiple=True)) > just change the requires before calling SQLFORM, > if that is what you need. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "web2py-users" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/web2py?hl=en -~----------~----~----~----~------~----~------~--~---
