Sequential numbers using LotusScript

View member feedback to this tip.

This simple script is used for generating sequential numbering of fields in the document. First, create a field SequenceNo. It should be Editable, Number. Then, add the script below in QuerySave subfunction of Main Document.

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Dim doc As NotesDocument
Dim tmpSeqNo As Variant
Dim NxtSeqNo As Variant

Set collection = db.AllDocuments
Set doc = collection.GetLastDocument
 
If source.IsNewDoc Then
  tmpSeqNo = doc.GetItemValue
("SequenceNo")
  If Isnumeric(tmpSeqNo(0)) Then
     NxtSeqNo = tmpSeqNo(0) + 1
     End If
  
     NxtSeqNo = Cstr(NxtSeqNo)
     Call Source.FieldSetText 
("SequenceNo", NxtSeqNo)
     End If

MEMBER FEEDBACK TO THIS TIP

I think this tip is something that you should NOT use ,since this will not work properly in a replicated environment. It will (at least theoretically) be possible for conflicts to occur in a heavy multi-user environment or, even worse, two documents could be assigned the same "sequential" number before the backend document is updated.

I strongly advice that if you really want to use sequential numbering in your application, please read this Notes.net technical article.

—Kenneth A.

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This tip doesn't work correctly when you have replicas on other servers or more than one user who worked with this database at the same time.

—Axel

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