In my case, the field is required. I make it required by setRequired(true), but I want the blank/choose one is still there.
Doable? --- On Thu, 3/18/10, Matthias Keller <matthias.kel...@ergon.ch> wrote: > From: Matthias Keller <matthias.kel...@ergon.ch> > Subject: Re: Select the "Choose one" of a required DropDownChoice > To: users@wicket.apache.org > Date: Thursday, March 18, 2010, 9:42 AM > Hi > > Yes, exactly, but why do you have it set to required at all > in first > place if you want to allow the empty selection too? > I dont think a DropDownChoice is required by default but if > it is, try > setRequired(false) ... > > Matt > > On 2010-03-18 14:36, David Chang wrote: > > Matt, I already did that. > > > > DropDownChoice.setNullValid() makes "Choose one" > always stay there. > > I notice that DropDownChoice.setRequired() is the > reason to generate the message and not get onUpdate called. > > > > Thanks. > > > > > > --- On Thu, 3/18/10, Matthias Keller<matthias.kel...@ergon.ch> > wrote: > > > > > >> From: Matthias Keller<matthias.kel...@ergon.ch> > >> Subject: Re: Select the "Choose one" of a required > DropDownChoice > >> To: users@wicket.apache.org > >> Date: Thursday, March 18, 2010, 9:30 AM > >> Hi > >> > >> Have a look at DropDownChoice.setNullValid() and > >> .setRequired() > >> > >> Matt > >> > >> On 2010-03-18 14:26, David Chang wrote: > >> > >>> Hi, I am new in Wicket and am playing with > different > >>> > >> components. > >> > >>> I have a two dropdown lists. One is a list of > >>> > >> countries, required field, controlling another > list of > >> states/provinces via > AjaxFormComponentUpdatingBehavior. > >> > >>> The country list always has a blank > (equivalent of > >>> > >> "Choose one") as the first option in the list. > When I select > >> different countries, the state/province list > changes > >> accordingly. However, when I change to the blank > in the > >> country list, the state list stops updating. I > looked into > >> it and found out that in this situation (required > droopdown > >> list) selecting blank makes Wicket issue a > feedback message > >> instead of calling > >> AjaxFormComponentUpdatingBehavior#onUpdate, which > is what I > >> want. > >> > >> > > > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
