It's "expense*?*.date" *not* "expense.date*?*"
DateField already handles formatting null values
// org.apache.tapestry5.corelib.components.DateField.formatCurrentValue()
private String formatCurrentValue()
> {
> if (value == null)
> return "";
> return format.format(value);
> }
On Fri, Sep 7, 2012 at 1:29 AM, ICE Ernesto Arteaga Zavala <
arterza...@gmail.com> wrote:
> Hi Muhammad, thanks for quick ans but I try it before but I got the next
> exp...
>
>
> Exception assembling root component of page expenses/Expenses: Could not
> convert 'expense.date?' into a component parameter binding: Error parsing
> property expression 'expense.date?': Unable to parse input at character
> position 14.
>
>
> 2012/9/6 Muhammad Gelbana <m.gelb...@gmail.com>
>
> > <t:datefield t:id="date" value="expense?.date" style="width: 7em;" />
> >
> > Check this page: http://tapestry.apache.org/property-expressions.html
> > Search for: Property Chain
> >
> > On Fri, Sep 7, 2012 at 1:15 AM, arterzatij <arterza...@gmail.com> wrote:
> >
> > > Hi all,
> > >
> > > There is a way to display an empty datefiled avoiding the NPE, I
> have
> > > the
> > > next code on my tml file
> > >
> > > <t:datefield t:id="date" value="expense.date" style="width: 7em;" />
> > >
> > >
> > > but if the date is null, tapestry rise the NPE...
> > >
> > > Failure reading parameter 'value' of component expenses/Expenses:date:
> > > Property 'expense' (within property expression 'expense.date', of
> > > com.rimsamex.app.expenses.pages.Expenses@1b26a992) is null.
> > >
> > >
> > > So, if the value is null I want to display an empty field, How can I
> > reach
> > > that?
> > >
> > > Thanks in advance!
> > >
> > >
> > >
> > >
> > > --
> > > View this message in context:
> > >
> >
> http://tapestry.1045711.n5.nabble.com/datefiled-and-null-value-2-tp5716109.html
> > > Sent from the Tapestry - User mailing list archive at Nabble.com.
> > >
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> > >
> >
>
>
>
> --
> Saludos,
>
> -------------------------------------------------------------------
> "Nada que se consiga sin pena y sin trabajo
> es verdaderamente valioso."
> Joseph Addison
> -------------------------------------------------------------------
>
> ICE Ernesto Arteaga Zavala
> Ingeniero de Desarrollo
>
