Thank you . Now it is clear .Thanks again . Now i have to find the file inside source code that can explain totally my question and help me not making noise with simple questions.
Sarados On 27 Ιούλ, 04:00, Thadeus Burgess <thade...@thadeusb.com> wrote: > db.candidate.for_language.requires = IS_IN_SET(['english', 'french', > 'german'], zero=None) > > If you notice how web2py will put a blank option in the drop down? the > zero attribute of IS_IN_SET or IS_IN_DB will control the value of that > first dropdown option. To completely rid yourself of the bank option, > you set zero to null, making the first value of the dropdown the > default selected. > > -- > Thadeus > > On Mon, Jul 26, 2010 at 3:36 PM, sarsar <sarsara...@gmail.com> wrote: > > Hi all, > > Please help me with the syntax of dropdown selection , because i' > > ve read a lot of answers and sugestions, AND the book , and i cant > > find how to do this simple thing . > > > db.candidate.for_language.requires=IS_IN_SET(['english','french','german']),default='english' > > > ........ > > > using crud to update the form , i expect that there is no blanc at > > selection and having english as default even if the user doesnot > > choose any selection . > > I have read a lot of questions , a lot of sugestions , from a lot > > of people , i think i checked inside the online book, but there is no > > clear syntax explanation about this iam asking , specially about the > > default value , even if the user does not make a choise . > > Please forgive me if it is something obvious . > > > Sarados > >
