Stopping Duplicate Numbers

Jun 25, 2007

I've got an incrementing invoice number that is just a +1 of the last invoice number. Had a problem today where one user was creating an invoice and took a while to complete the record. As soon as the record was created the invoice number went in as 123 but the record didn't save until she had filled out all the form. In the meantime someone else started to create another invoice and ended up with 123 as well because the previous record hadn't saved. Does anyone have any suggestins how I can stop this from happening? I can't save the record straight away, which would be the obvious answer as they need to fill out quite a few required fields before the record is saved so that they don't have incomplete records.

Thanks

DBL

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Oct 17, 2006

I have a booking form database
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Hey

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I want a peice of code which instead allocates a letter to the duplicate account, so user enters a duplicate account, the account will then turn into 123456789A, upto 5 duplicates are allowed, so upto 123456789E. Once "E" has been reached accountnum box will turn null with msgbox. I tried out Case statements but that doesn't seem to work.

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Dim Response

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Code:

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