I am totally new in wicket, can anyone help me?
Now my code is:
//dropdownbox
add(new FeedbackPanel("dropdownfeedback"));
DropDownChoice<String> listSites = new DropDownChoice<String>(
"sites", new PropertyModel<String>(this,
"selected"),
SEARCH_ENGINES);
Form<?> dropdownform = new Form<Void>("dropdownform") {
@Override
protected void onSubmit() {
info("You select : " + selected);
}
};
//add name text
TextField<String> Name = new TextField<String>("Name");
Name.setRequired(true);
dropdownform.add(Name);
ComponentFeedbackPanel fbName = new
ComponentFeedbackPanel("fbName", Name);
dropdownform.add(fbName);
//add Age text
TextField<String> Age = new TextField<String>("Age");
Age.setRequired(true);
dropdownform.add(Age);
ComponentFeedbackPanel fbAge = new
ComponentFeedbackPanel("fbAge",
Age);
dropdownform.add(fbAge);
add(dropdownform);
dropdownform.add(listSites);
It get a "Attempt to set model object on null model of component:
dropdownform:Name"
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