>

>            using (var txn = context.Database.BeginTransaction())
>            {
>                BISaveTransaction.CommitTransactions(context,rs);
>                modulate();
>                processTransactionHeader();
>                processTransactionDetails();
>                if (or.Success == false)
>                {
>                    Monitor.write($" ===>  Rolling back - {t.Document}" );
>                    txn.Rollback();
>                    return;
>                }
>                processRsHeaders();
>                processEmHeaders();
>
>                txn.Commit();
>                th_Id = th.TransactionHeaders_Id;
>            }
>

>
>When or.Success returns false after process TransactionDetails, updates of OnHand fields of related tables are not rolled back.
>
>Puzzled.

Did you try running SQL Profiler during the process to monitor what's going on?