// Change Password. public void ChangeMyPassword(LoginToken <AirlineCompany> token, string oldPassword, string newPassword) { if (UserIsValid(token)) { if (token.User.Password.ToUpper() == oldPassword.ToUpper()) { token.User.Password = newPassword.ToUpper(); _airlineDAO.ChangePassword(token.User); } else { throw new WrongPasswordException("Your Old Password Is Incorrent!"); } } }