private void DeleteHalfTheRecords() { var types = new[] { Entities.account, Entities.contact, Entities.jmcg_testentity }; foreach (var type in types) { var records = XrmRecordService.RetrieveAll(type, null); var deletionResponse = XrmRecordService.DeleteMultiple(records.Take(records.Count() / 2).ToArray()); Assert.IsFalse(deletionResponse.Any()); } }