Sorry for my late reply.... That is what i was looking for... thanks
Op woensdag 6 november 2019 21:45:29 UTC+1 schreef Massimiliano: > > Try with: > > Is_empty_or(is_in_db(...)) > > Il giorno mer 6 nov 2019 alle 15:34 Steve <[email protected] <javascript:>> > ha scritto: > >> Hi, >> >> I have a SQLFORM which has 2 fields referenced all to another Product >> table. >> In this form you can select 1 or more products but only first is >> mandatory, the other one is optional. >> >> The problem i have is that i don't want all the products in the dropdown >> list but only the products which are for example are in stock, the others i >> don't want in the list. >> For the mandatoy field , i don't have an issue because i use >> "requires=IS_IN_DB(......." >> >> But for the other fields, which are not mandatory, i am not able to >> filter the dropdown list, if i use IS_IN_DB that yoou have to fill in the >> form field , but as said i would like to leave second product selection >> optional >> >> Can anyone help me on my way. >> >> db.define_table('werkgroep', >> Field('omschrijving', requires=IS_NOT_EMPTY()), >> Field('product1',requires = IS_IN_DB(db(db.product.stock >> <> 1), db.product, '%(first_name)s %(last_name)s'), label=T('Product 1')), >> Field('product2',db.product, label=T('Practitioner 2')) >> ) >> >> db.define_table('product', >> Field('name',requires=IS_NOT_EMPTY()), >> Field('stock', 'integer', requires=IS_NOT_EMPTY() >> ) >> >> Hope you can help me, >> >> Steve >> >> -- >> Resources: >> - http://web2py.com >> - http://web2py.com/book (Documentation) >> - http://github.com/web2py/web2py (Source code) >> - https://code.google.com/p/web2py/issues/list (Report Issues) >> --- >> You received this message because you are subscribed to the Google Groups >> "web2py-users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/web2py/d4de53e3-5dd2-448a-8e70-0f7e94edfd46%40googlegroups.com >> >> <https://groups.google.com/d/msgid/web2py/d4de53e3-5dd2-448a-8e70-0f7e94edfd46%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- > Massimiliano > -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/web2py/98cb4918-1d29-4eea-aff5-18a378bf5bf5%40googlegroups.com.
