public IActionResult GetAccountJointCustomers(AccountNumberRequest request) { if (ModelState.IsValid) { var response = new SingleResponse <List <JointCustomer> >() { ResultCode = ResultCodes.normal }; response.Result = _xbService.GetAccountJointCustomers(request.AccountNumber); return(ResponseExtensions.ToHttpResponse(response)); } else { return(ValidationError.GetValidationErrorResponse(ModelState)); } }