Martin,

Very sorry for being confusing to you. Here is what I want:

I want blank line is always there, no matter whether a value is selected or 
not, no matter whether the field is required or not.

I am using ChoiceRenderer to convert a selected option to objects.

Thanks, David



--- On Wed, 3/17/10, Martin Asenov <mase...@velti.com> wrote:

> From: Martin Asenov <mase...@velti.com>
> Subject: RE: Replace "Choose one" from DropDownChoice?
> To: "users@wicket.apache.org" <users@wicket.apache.org>
> Date: Wednesday, March 17, 2010, 10:34 AM
> David, please describe the use case
> in more depths.
> 
> 1)
> You want a dropdownchoice with null selection, which is "
> "?
> 
> 2)
> You don't want a null selection to be there at all, but
> show the first element.
> 
> Best,
> Martin
> 
> -----Original Message-----
> From: David Chang [mailto:david_q_zh...@yahoo.com]
> 
> Sent: Wednesday, March 17, 2010 4:31 PM
> To: users@wicket.apache.org
> Subject: Re: Replace "Choose one" from DropDownChoice?
> 
> Martin, 
> 
> According to what you said, do I need to add special
> processing in ChoiceRenderer if this blank line is the
> selected and I need to convert selected value to object?
> 
> Thanks,
> David
> 
> --- On Wed, 3/17/10, Martin Phee <mp...@objectivearts.com>
> wrote:
> 
> > From: Martin Phee <mp...@objectivearts.com>
> > Subject: Re: Replace "Choose one" from
> DropDownChoice?
> > To: users@wicket.apache.org
> > Date: Wednesday, March 17, 2010, 10:05 AM
> > You have to add a selection choice
> > that is just a blank line option.
> > 
> > This is a typical requirement for any dropdown if you
> wan
> > the use to be able to clear their choice.
> > 
> > 
> > On Mar 17, 2010, at 8:47 AM, David Chang wrote:
> > 
> > > Martin,
> > > 
> > > Thanks so much for chiming in. I tried the
> > > 
> > > null=
> > > 
> > > approach. The blank line in the dropdown list
> simply
> > disappears. As I said in my requirements, I hope to
> have it
> > there no matter whether a value is selected or not,
> no
> > matter whether it is a required field or not.
> > > 
> > > Again, thanks for help!
> > > Best,
> > > David
> > > 
> > > --- On Wed, 3/17/10, Martin Asenov <mase...@velti.com>
> > wrote:
> > 
> > 
> >
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> 
>       
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