protected void doPost(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    String id = request.getParameter("id");
    String firstname = request.getParameter("firstname");
    String lastname = request.getParameter("lastname");
    String phone = request.getParameter("phone");
    String email = request.getParameter("email");
    String attendance = request.getParameter("attendance");
    String photo = request.getParameter("upload");
    String insert = request.getParameter("insert");

    StudDao sd = new StudDao();
    List<Student> list = sd.select();
    request.setAttribute("List", list);

    if (ServletFileUpload.isMultipartContent(request)) {
      //   System.out.println("file Uploading");

      RequestDispatcher rd = request.getRequestDispatcher("/StudentUpload");
      rd.forward(request, response);
    }

    if (insert != null && insert != "") {

      sd.insert(firstname, lastname, email, attendance, photo, phone, Integer.parseInt("enroll"));
      list = sd.select();
      request.setAttribute("List", list);

      response.sendRedirect("Student/form");
    }
  }