public string UpdateTest(Test test) { bool isTestTypeExistsForOther = _testGateway.IsTestTypeExistsForOther(test); if (isTestTypeExistsForOther) { return("Test Type already exists! "); } var rowsAffected = _testGateway.Update(test); if (rowsAffected > 0) { return("Updated successfully"); } return("Update Failed!"); }