Hi Lance, Thanks for your answer.
I tried to use a null value, but when trying to "onAdd" I got :

Event handler for event 'addRow' from NouvelApplicatif:docfiles should have
returned a non-null value.


So it seems you can't use a null value. I need to do a list of dynamic
(add/remove) upload files and if I can't instantiate them in the controller
code I don't see how I can do it. Any suggestion ?

2014-09-07 12:22 GMT+02:00 Lance Java <lance.j...@googlemail.com>:

> The UploadedFile is instantiated by tapestry when the form is posted so it
> should be OK to bind to a null property for "onAdd".
>  On 7 Sep 2014 02:50, "squallmat ." <squall...@gmail.com> wrote:
>
> > Hi,
> >
> > I'm trying to put dynamic multiple upload buttons in Tapestry with an
> > AjaxFormLoop component.
> >
> > But in the "onAdd" event where you have to create a new UploadedFile
> Object
> > and return it, it doesn't seems to have any method to do that, because
> > UploadedFile can't be instantiated by a new.
> > Is there a way to instantiate dynamically, in the java class of my .tml,
> a
> > new UploadedFile ?
> >
> > Or is there another way to achieve what I want ?
> >
>

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