public void Delete(DelegationSetting setting) { var entity = (from e in NewContext.Delegation where e.PartitionKey == DefaultPartitionKey && e.UserName.Equals(setting.UserName, StringComparison.OrdinalIgnoreCase) && e.Realm.Equals(setting.Realm.AbsoluteUri, StringComparison.OrdinalIgnoreCase) select e) .Single(); NewContext.DeleteDelegation(entity.PartitionKey, entity.RowKey); }