Incrementing an ID field

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I am setting up an application for an existing SQL database using Access to
update/enter new records. When I enter new records on any of the forms I want
to get Access to calculate the next ID no ie if the last was 1256 then I want
Access to insert the value 1257 into the ID field when I go to a new record.
The SQL statement I would run in SQL would be ' User_ID = (Select
Max(user_ID) +1)' on the appropriate table. I don't know which Event to put
the statement in on or whethermy code is correct.

Can anyone help me?

Drew
.



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