private DMCustomer DataValidation(DMCustomer customer) { customer.IsValid = true; var customerObject = MapperHelper.CreateDataObjectFromObject(customer); foreach (var item in customerObject) { switch (item.Key) { case "State": if (!string.IsNullOrEmpty(customer.State)) { var state = _stateService.GetStateByStateName(customer.State); if (state == null) { customer.Reason += "Invalid state."; customer.IsValid = false; customer.ImportStatus = ImportStatus.Fail.ToString(); } else { customer.StateId = state.StateId; } } break; case "Country": if (!string.IsNullOrEmpty(customer.Country)) { var country = _countryService.GetCountryByCountryName(customer.Country); if (country == null) { customer.Reason += "Invalid Country."; customer.IsValid = false; customer.ImportStatus = ImportStatus.Fail.ToString(); } else { customer.CountryId = country.CountryId; } } break; case "CustomerType": if (!string.IsNullOrWhiteSpace(customer.CustomerType)) { var customerType = _customerTypeService.GetCustomerTypeByName(customer.CustomerType); if (customerType == Guid.Empty) { customer.Reason += "Invalid customer type."; customer.IsValid = false; customer.ImportStatus = ImportStatus.Fail.ToString(); } else { customer.CustomerTypeGuid = customerType; } } break; } } return(customer); }