private void editDoctor(String fName, String lName, String username, String password, String dob, String salary, String specialty, String sex)
        {
            User.Doctor doctor = new User.Doctor();
            doctor.firstName = fName;
            doctor.lastName  = lName;
            doctor.username  = username;
            doctor.password  = password;
            doctor.dob       = dob;
            doctor.salary    = salary;
            doctor.specialty = specialty;
            doctor.sex       = sex;

            bool success = doctor.EditDoctor(doctor, doctorId, this);

            if (success == true)
            {
                CustomMessageBox cm = new CustomMessageBox("Successfully Edited Doctor", this, GotoDoctor);
                cm.Show();
                ClearField();
            }
            //else
            //{
            //    CustomMessageBox cm = new CustomMessageBox("Failed to add new doctor", this);
            //    cm.Show();
            //}
        }