Indeed - See the Wiki for more info, e.g.
http://cwiki.apache.org/WICKET/dropdownchoice-examples.html
/Gwyn
On 26/11/2007, Dipu Seminlal <[EMAIL PROTECTED]> wrote:
> there are two ways to do it
>
> override the wantOnSelectionChangedNotifications of the user dropdown
> to return true and override onSelectionChanged to do what you want,
> but this will result in server round trips ( refer the java of
> DropDownChoice )
>
> or use an AjaxFormComponentUpdatingBehavior on the onChange event of
> the dropdown.
>
> regards
> Dipu
>
> On Nov 26, 2007 7:14 AM, tsuresh <[EMAIL PROTECTED]> wrote:
> >
> > Hello wicketeers,
> > I have a form to edit the attributes of User. User has the attributes
> > username, mail and role.I have a dropdownchoice filled with list of users.
> > When I select the user his mail should be displayed in textfield and his
> > role should be displayed in dropdownchoice. And i should be able to edit his
> > mail and role. I have already made the form to fill the first drop down
> > choice.I have made function view(username) in User class which helps in
> > viewing attributes of the user(user selected in dropdown), But I have no
> > idea to populate the remaining form components.How to do this? My code for
> > form is as below:
> >
> > public UserEdit(){
> >
> > User user= new user();
> > CompoundPropertyModel userEditModel = new
> > CompoundPropertyModel(user);
> > Form form = new userEditForm("user",userEditModel);
> > add(form);
> > add(new FeedbackPanel("feedback").setOutputMarkupId(true));
> > DropDownChoice ddc = null;
> > try{
> > ddc = new DropDownChoice("username",user.list());
> > }catch(SQLException e){
> > String err = e.getMessage();
> > }
> >
> > TextField mailComp = new TextField("mail");
> > DropDownChoice roleDdc =null;
> > try{
> > roleDdc = new DropDownChoice("role.name",r.list());
> > }catch(SQLException e){
> > String err = e.getMessage();
> > }
> > form.add(ddc);
> > form.add(mailComp);
> > form.add(roleDdc);
> > }
> >
> > class UserEditForm extends Form {
> > public UserEditForm(String id,IModel model) {
> > super(id,model);
> > }
> > --
> > View this message in context:
> > http://www.nabble.com/Populate-form-according-to-selected-item-in-dropdownchoice-tf4873352.html#a13944776
> > Sent from the Wicket - User mailing list archive at Nabble.com.
> >
> >
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> >
>
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