public HomePage(final PageParameters parameters) {
    super(parameters);
    WebMarkupContainer table = new WebMarkupContainer("tableData");
    table.setMarkupId("tableData");
    add(table);

    RefreshingView<Student> students = new RefreshingView<Student>("tr") {
        @Override
        protected Iterator<IModel<Student>> getItemModels() {
            DBSession dbSession = new DBSession();
            SqlSession session = dbSession.getSession();
            List<Student> list = session.selectList("Student.getAll");
            session.commit();
            session.close();
            ArrayList<IModel<Student>> list0 = new ArrayList<IModel<Student>>();
            for (Student student : list) {
                list0.add(new CompoundPropertyModel<Student>(student));
            }
            return list0.iterator();
        }

        @Override
        protected void populateItem(Item<Student> item) {
            final Student student = item.getModelObject();

            Label idLabel = new Label("id", "" + student.getId());
            item.add(idLabel);
            Label loginLabel = new Label("first_name", "" + student.getFirst_name());
            item.add(loginLabel);
            Label passLabel = new Label("last_name", "" + student.getLast_name());
            item.add(passLabel);
            Label facultyLabel = new Label("faculty", "" + student.getFaculty());
            item.add(facultyLabel);
            Label groupLabel = new Label("group_n", "" + student.getGroup_n());
            item.add(groupLabel);
            Label phoneLabel = new Label("phone", "" + student.getPhone());
            item.add(phoneLabel);
        }
    };
    table.add(students);


    final Student student_add = new Student();
    final Form<?> form = new Form("fm_add"){
        @Override
        protected void onSubmit() {
            super.onSubmit();

            DBSession dbConfig = new DBSession();
            SqlSession sqlSession = dbConfig.getSession();
            sqlSession.insert("Student.insert",student_add);
            sqlSession.commit();
            sqlSession.close();
        }
    };

    form.add(new TextField<String>("first_name_add",new PropertyModel<String>(student_add,"first_name")));
    form.add(new TextField<String>("last_name_add",new PropertyModel<String>(student_add,"last_name")));
    form.add(new TextField<String>("faculty_add",new PropertyModel<String>(student_add,"faculty")));
    form.add(new TextField<String>("group_add",new PropertyModel<String>(student_add,"group_n")));
    form.add(new TextField<String>("phone_add",new PropertyModel<String>(student_add,"phone")));
    Button button = new Button("submit_add");
    form.add(button);
    add(form);

    final Student student_up = new Student();
    final Form<?> form_up = new Form("fm_up"){
        @Override
        protected void onSubmit() {
            super.onSubmit();
            DBSession dbConfig = new DBSession();
            SqlSession sqlSession = dbConfig.getSession();
            sqlSession.update("Student.update",student_up);
            sqlSession.commit();
            sqlSession.close();
        }
    };
    form_up.add(new TextField<String>("id_up",new PropertyModel<String>(student_up,"id")));
    form_up.add(new TextField<String>("first_name_up",new PropertyModel<String>(student_up,"first_name")));
    form_up.add(new TextField<String>("last_name_up",new PropertyModel<String>(student_up,"last_name")));
    form_up.add(new TextField<String>("faculty_up",new PropertyModel<String>(student_up,"faculty")));
    form_up.add(new TextField<String>("group_up",new PropertyModel<String>(student_up,"group_n")));
    form_up.add(new TextField<String>("phone_up",new PropertyModel<String>(student_up,"phone")));
    Button button1 = new Button("submit_up");
    form_up.add(button1);
    add(form_up);

    final Student student_del = new Student();
    final Form form_del = new Form("fm_delete"){
        @Override
        protected void onSubmit() {
            super.onSubmit();
            DBSession dbConfig = new DBSession();
            SqlSession sqlSession = dbConfig.getSession();
            sqlSession.delete("Student.deleteById",student_del);
            sqlSession.commit();
            sqlSession.close();
        }
    };


}