db.category.parent.requires = IS_EMPTY_OR(IS_IN_DB(db, 'category.category'))
On Sunday, March 3, 2013 9:34:59 PM UTC-5, 黄祥 wrote: > > a, thank you so much for your detail explaination anthony. it's work fine > now by add : > > db.category.parent.requires=IS_IN_DB(db, 'category.category') > > btw, with this, i still have a problem for input the parent category. > because in form there is not allowed to put an empty value. i have 2 ideas > for this problem : > 1. put the parent category directly to database via database input command > 2. create the root category above parent category : > for example > root category > | > parent category > | > child category > > do you have better idea or suggestion about this? > > thanks a lot before > -- --- 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 web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
