I want to use ajax to check if a field value is valid w/o submitting the
entire form. I add AjaxFormComponentUpdatingBehavior to my ajax object
(link/button/etc). But, I don't know how to retrieve the edit field's value
inside the onUpdate method. See the code I have:
fc = new RequiredTextField("userName");
fc.setLabel(new Model("User Name"));
add(fc);
fc = new Button("checkId");
fc.add(new AjaxFormComponentUpdatingBehavior("onClick") {
protected void onUpdate(AjaxRequestTarget target) {
System.out.println("This gets called");
// TODO: how to get the userName field's value?
}
});
add(fc);
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