There is a issue open for this by me and Massimo try a couple of time to solve it, but it seems it still there...
Richard On Mon, Mar 4, 2013 at 8:34 AM, Anthony <abasta...@gmail.com> wrote: > 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. > > > -- --- 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.
