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How sequence by 1 for subsequent records

Posted on 2013-05-31
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Last Modified: 2013-05-31
This will be tricky I'm sure.

I have a form which is used to record a project.  A project can have more than one TransRecord which is a text field on the form.

So, for example, Project #1 may have a TransRecord (a text field), that is "TransRecord#1".  Then the same project, Project #1, could have a TransRecord that is "TransRecord #2" and so forth.

But also on this form is a 4 digit number field formatted to look like "0001", "0002", "0003" and so on.

Here's what I need to do... for the first record of a unique TransRecord I want the 4 digit number to automatically populate to read "0001".  Then for the next TransRecord I want the 4 digit number field to be "0002".  And so on.

I expect that the code will have to be in the afterupdate event of the TransRecord field but I can't begin to know how to code this.

Can someone help?
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Question by:SteveL13
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Scott McDaniel (Microsoft Access MVP - EE MVE ) earned 500 total points
ID: 39211788
You can use DMax to determine the "highest" value in a specific column in a table:

Dim MyMax As Double

MyMax = DMax("FieldContainingTheNumber", "YourTable", "TransferRecord=" & Me.YourTransferRecordField)

MyMax would then contain the highest value found, and you could then add 1 to it.
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