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Resolved Datawindow update row by row
  1. How-to
0 Votes
  1. René Ullrich
  2. PowerBuilder
  3. Friday, 31 August 2018 05:58 AM UTC

Hi,

I have a datawindow where the user can insert, update and delete rows.

My problem: If the user clicks the save button I won't use the update function because it updates all the changes in a single transaction. I need to update the datawindow row by row so each row is updated in a single transaction.

Background: On update of a single row I have to call external resources (a web service) the will update an external system. I have no control over this external update and it is not transactional.

So my idea:

FOR all rows to insert update or delete

    do the datawindow update for the single row

    do the external update

    IF external update was ok THEN

        COMMIT

        Resetupdate the single datawindow row

    ELSE

        ROLLBACK

        // let the row unupdated

    END IF

NEXT row for update

 

Any idea how to do that in a simple way?

EJB Component in PB2017 ToolbarInSheet
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