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Workspace transactions - Access 2000

Posted on 2003-10-25
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Last Modified: 2007-12-19
I have read heaps of webpages and help pages on how to declare a workspace, start a transaction using BeginTrans and cancelling it using Rollback. I can't get it to work.

I am using it as part of a form (containing a subform)

Dim wksp As Workspace

Private Sub cmd_Cancel_Click()
    wksp.Rollback
    DoCmd.Close acForm, "frm_DebtorInv"
End Sub


Private Sub Form_Open(Cancel As Integer)
    Set wksp = DBEngine.Workspaces(0)
    wksp.BeginTrans
End Sub

I've also tried
   DBEngine.Workspaces(0).BeginTrans
instead of using the wksp object variable.

I get no errors, but I can't get it to rollback the values
 - The values of 3 bound controls in the form
    and of many records in a subform (items on an invoice)

Thanks all
Brad
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Question by:brad103
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1 Comment
 
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Accepted Solution

by:
nico5038 earned 110 total points
ID: 9622312
Hi Brad,

I'm afraid you'll have to change your approach.
As far as I know the COMMIT/ROLLBACK will only work on transactions executed in a "batch".
The form however will "break" the sequence.

I would probably switch to using temp table(s). In the FormOpen event I create the tables and when the [Save] is given I delete the original rows and insert the temp table row(s) into the original table. When the form is Cancelled I have nothing to do......

Nic;o)
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