fileupload.java

@SpringBean
User1Dao user1Dao;
private User1 user1 = new User1();

...

final FileUploadField fileUpload = new FileUploadField("fileUpload",new PropertyModel(user1, "photo"));
form.add(fileUpload);
...

 AjaxButton submit = new AjaxButton("submit") {

            @Override
            protected void onError(AjaxRequestTarget target1, Form<?> form) {
                feedbackPanel.setVisible(true);
                super.onError(target1, form);    
                target1.add(wrapper);
            }

            @Override
            protected void onSubmit(AjaxRequestTarget ajaxRequestTarget, Form<?> form) {
                user1.setConsultantApproval("");

                user1Dao.save(user1);
                
                ajaxRequestTarget.add(wrapper);
            }

        };



        form.add(submit);
        wrapper.add(form);