public UserResponse ChangePw(int id, UserPassword u) { string pwDecrypt = _encrypt.Decrypt(Convert.FromBase64String(u.Password)); u.Password = pwDecrypt; pwDecrypt = _encrypt.Decrypt(Convert.FromBase64String(u.OldPassword)); u.OldPassword = pwDecrypt; int state = _userService.UpdatePassword(id, u.toDALPW());; if (state == 1) { return new UserResponse { ErrorCode = 3 } } ; else { return(new UserResponse()); } }