sequential numbering?

[martyn]

I have the following code in a form attached to event of a field called
Anything

Private Sub Anything_BeforeUpdate(Cancel As Integer)
Me![SID] = (Nz(DMax("[Sid]", "Steps", "[pID]=" & [PID]), 0) + 1)
End Sub

I have put it in to get sequential numbering and it works partly
Problems are that if I go into the form field Antything again for that
record and add or delete or make any changes it will increment the number
again. I dont want it to do this, once the number is generated it should be
fixed for that record. What do I need , some sort of If statement?

At some stage also I may need to insert or delete a record in which case
this no will be out of sync - but I will leave that to another post?

 

[Douglas J Steele]

Already answered in another newsgroup to which you posted the same question.

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