I try to print business exception below the related form components so here
is solution i found :
final TextField txtName = new TextField("txtName ",
new PropertyModel(name, "name")) {
@Override
protected void onRender(MarkupStream markupStream) {
> Can i change TextField's (FormComponent) valid status and set a custom error
> message from outside ? Like :
Normally you write a validator that calls component.error() to set the error
message, and add that validator to the FormComponent. As long as it has that
error it will count as invalid.
