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Disconnect App Produce Duplicate Data.

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    Disconnect App Produce Duplicate Data.

    I have a disconected application working fine.
    Nevertheless I have 2 main issues.
    1-sometimes the same record is saved many times (up to 10 times)
    2-I need the users to be able to login even if they are not connected (I think this is available somewhere I need to search for it).

    The really main and frustrating issue is the duplcation of records. I have no ideas on how to avoid this ... Any help is appreciated.


    Re: Disconnect App Produce Duplicate Data.

    Are you basing the list on the primary key(s) or on a field? If you are not using the primary key, it can cause this issue. Even if you have the list set to "field" and you are using the primary key as the field, this can cause problems.

    If you find the answer to the login question, I (and I'm sure others) would like to hear it too!



      Re: Disconnect App Produce Duplicate Data.

      Thank you Larry,
      But it is based on the primary key, I double checked. It has a parent list also based on primary..
      I am thinking now on doing a trigger in SQL to remove the duplicates. but it is not the solution...



        Re: Disconnect App Produce Duplicate Data.

        What is the PK based upon? Is it a combination of the parent and a field in the child table or is it strictly an autoincrement field?

        You say that you sometimes but not always get dupes - is there a repeatable sequence of events that causes duplication or is it completely random so far as you can tell?

        When you synchronize, does the synch process say that it is completed, or do you sometimes have to sync multiple times to get it to be correct? (Because the multiple syncing is where the duplication would occur.)

        Try this:

        Put in some new records

        If the sync does not show that it completed, look in the db - are the records there? If so, then the duplication is caused by multiple syncing - you don't have a duplication problem, you have a sync problem. The sync is occurring, but Alpha isn't see the response properly. So when you sync again, it sends the records again.


          Re: Disconnect App Produce Duplicate Data.

          There's a property 'Use server-side synchronization log table' in the Detail View pane of the List builder. This should prevent duplicates. You also need to specify the table for the Data Synchronization Log (Project Properties).

          hope that helps


            Re: Disconnect App Produce Duplicate Data.

            The Pk is just an auto incremental field.
            While testing it never happens. It is hapening with the users..
            I remember seeing the 'Use server-side synchronization log table' and I did the setup. Now I am not able to find it anymore (to double check)... can you guide me where it is is. It seems I blind I searched everywhere :)

            Thank you for your help


              Re: Disconnect App Produce Duplicate Data.

              Check here