Update Multiple DataAdapters with one Sql Transaction

hello, am trying to implement a save routine , common scenario master detail data . However after the first save succeed the second time the save fails with the common message.
Concurrency Violation The Update affect....
I have the following function Save
Private Function _Save() As Boolean
_Save = False
Dim con As New SqlClient.SqlConnection(connectionString)
con.Open()
Dim Tran As SqlClient.SqlTransaction = con.BeginTransaction
Try
MasterTA.InsertCommand = Masterbuilder.GetInsertCommand
MasterTA.UpdateCommand = Masterbuilder.GetUpdateCommand
MasterTA.DeleteCommand = Masterbuilder.GetDeleteCommand
MasterTA.InsertCommand.Transaction = Tran
MasterTA.DeleteCommand.Transaction = Tran
MasterTA.UpdateCommand.Transaction = Tran
MasterTA.InsertCommand.Connection = con
MasterTA.DeleteCommand.Connection = con
MasterTA.UpdateCommand.Connection = con
DetailsTA.InsertCommand = DetailsBuilder.GetInsertCommand
DetailsTA.UpdateCommand = DetailsBuilder.GetUpdateCommand
DetailsTA.DeleteCommand = DetailsBuilder.GetDeleteCommand
DetailsTA.InsertCommand.Transaction = Tran
DetailsTA.UpdateCommand.Transaction = Tran
DetailsTA.DeleteCommand.Transaction = Tran
DetailsTA.InsertCommand.Connection = con
DetailsTA.UpdateCommand.Connection = con
DetailsTA.DeleteCommand.Connection = con
MasterTA.Update(DS.Tables(0))
DetailsTA.Update(DS.Tables(1))
UpdateLedger(Tran)
Tran.Commit()
Return True
Catch ex As Exception
Tran.Rollback()
MessageBox.Show(ex.Message, My.Application.Info.Title, MessageBoxButton.OK, MessageBoxImage.Error)
Return False
Finally
con = Nothing
Tran = Nothing
End Try
End Function
I am using a CommandBuilder
if the Adpater 1 pass and the adapter 2 fail , I need to Re Fill my adapters again in order to avoid the concurrency violation . I CANNOT refill because I already have changes in the DataTables I don't want the user to loose their information
and start writing them again.
The FULL procedure is successfully executed if no Exception occur with in the try catch
I was able to eliminate the concurrency violation by setting the
commandBuilder.ConfilctOption=ConflictOption.OverwriteChanges but this will fail to update the correct changes the 2nd time to the database
the only possible solution that I come close to it. Before attempt to save anything
Is to copy the datatables
After update Fail Or Not
Clear the DataTables from the Dataset
Merge The dataTables from the DataSet with the Previous Copy Tables
Exception Occure (Violation of primary key constraint '.....' attempt to insert a duplicate key)
My IDS are not Auto Increment .
I Really really need to use a transaction with DataAdapters ,
I Also try the System.Transactions.TransactionScope
but I have 2 problems
Sometimes raise an error from the Server
It doesn't work always as it behaves almost the same as I describe the problems above (Works only The first time)
stelios ----------

this the StackTrace when the error is ExecuteReader requires the command to have....
at System.Data.Common.DbDataAdapter.UpdatingRowStatusErrors(RowUpdatingEventArgs rowUpdatedEvent, DataRow dataRow)
   at System.Data.Common.DbDataAdapter.Update(DataRow[] dataRows, DataTableMapping tableMapping)
   at System.Data.Common.DbDataAdapter.UpdateFromDataTable(DataTable dataTable, DataTableMapping tableMapping)
   at System.Data.Common.DbDataAdapter.Update(DataTable dataTable)
And this is the StackTrace for the error Concurrency Violation
   at System.Data.Common.DbDataAdapter.UpdatedRowStatusErrors(RowUpdatedEventArgs rowUpdatedEvent, BatchCommandInfo[] batchCommands, Int32 commandCount)
   at System.Data.Common.DbDataAdapter.UpdatedRowStatus(RowUpdatedEventArgs rowUpdatedEvent, BatchCommandInfo[] batchCommands, Int32 commandCount)
   at System.Data.Common.DbDataAdapter.Update(DataRow[] dataRows, DataTableMapping tableMapping)
   at System.Data.Common.DbDataAdapter.UpdateFromDataTable(DataTable dataTable, DataTableMapping tableMapping)
   at System.Data.Common.DbDataAdapter.Update(DataTable dataTable)
stelios ----------

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