Your otherDDC does not have a model, show us how you are creating it and i will tell where the mistake is .
Josh On Sun, Mar 11, 2012 at 7:12 PM, jhonnytunes <[email protected]> wrote: > Hi Wicket gurus. > > I want the behaivor of AJAXchange the models after updatings the selecction > of the make like the example of wicketstuff.org. Im having trouble in the > onUpdate of the DDC, everything is fine till I update the first > dropdownchoice. It spit me an excetption: "Attempt to set model object on > null model of component panelname.myDDC" but im not touching "myDDC in the > ajax request. Please help." > > //SAMPLE CODE: > > MyDDC.add(new AjaxFormComponentUpdatingBehavior("onchange"){ > > @Override > protected void onUpdate(AjaxRequestTarget target) { > > target.add(OtherDDC); > > } > > }); > > > -- > View this message in context: > http://apache-wicket.1842946.n4.nabble.com/Ajax-DropDownChoice-messing-DDC-Model-S-tp4464119p4464119.html > Sent from the Users forum mailing list archive at Nabble.com. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > >
