Suren

1.      in the relationships graph create a copy of the table (YourTable2)
2. create a relationship between the two tables based on City (YourTable::City=YourTable2::City)
3.      create a number field (CitySerialNumber) with auto-enter calc:
                Max ( YourTable2::CitySerialNumber) + 1
                this calc must be evaluated in the context of YourTable
                and "Do not replace field contents" must be UNchecked

NB: If a record is deleted it's serial number will NOT be replaced (unless it was the last record created for that city)

cheers

Tom

On 31 Jan 2007, at 18:23, Suren Thambirajah wrote:

HI,

I have a small DB. I have field call “City” and it’s got 13 plus cities. Now I’m trying to crate serial number base on city every time I crate a new record.
If I have choose Ottawa I want the serial number 1, 2, 3, 4, 5 etc.
If I choose Montréal should be 1, 2, 3, 4, etc.

How can I do that?

--
Suren

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