KV Error's On Updating Serial Numbers

Nov 28, 2005

Hi,
I have a table that uses SerialNo as primary key. From time to time (its a long story...) I need to go in and update the SerialNo by adding x to it. Here's the problem: lets say the table has SerialNo's 1,2,3,4,5, and I try to add 1. I get 4 KV error's because of course, 2,3,4,5 already exist in the table. (So I would end up with 1,2,3,4,6 instead of 2,3,4,5,6.)

I really thought that Access should be smart enough to figure out that there really won't be any key violations after the updates are done, but I guess not.

So, what's the easiest way to deal with this?

Thanks for any suggestions.

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Generating Serial Numbers

Jan 16, 2007

I've searched through the forum looking for what i want to do with no luck so hopefully one of you kind people could help.

I'm setting up a DB that logs in a batch of parts to which i generate a batch no.
As the batch progressess through the works when a problem arises we generate fault records (I've set up another table for this and linked the batch no fields together). I want to put a serial no. on this form consisting of 'year' 'batch No.' and ?'Auto number'? From reading posts is it best to put the 3 items in seperate fields (less hassle)

My 2 questions are

1, how do i extract just the year from a date field?

2, This is the main problem. The auto number. If i use auto number to generate a unique number to log the record the number will be massive in no time at all. This is fine as the unique identifier for the record in a table but not for the serial number of the printed report. Idealy I want to have the batch number then a serial number that resets to 1 on a different batch No. For example

21098/1
21098/2 Batch No./serial No.
21098/3

22309/1
22309/2
22309/3

Just some more info this database is a multi user database split front and rear.

I hope i've explained this well enough, many thanks for your help in advance

cheers

EQ

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Any help is much appreciated.

Rob Shakesbeer

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I need the database to increment in a different way now.

Q=manufacture location
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Private Sub MakeThoseProducts_Click()
On Error GoTo Err_MakeThoseProducts_Click
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I'm not sure which forum to ask this in so I've popped it in here.

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cheers

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Hi,

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In this case I belive the key field is the product_id form my 'order_detail_table' where this is a shared key.



I've been beating this to death (it's killing me!!) for a couple of weeks now and got nowhere. Maybe someone out there can have a look and see what my obvious mistake is ... (I've attached a cut down version of db with just tables, query and subform)

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Here's the code I'm using:

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Error:
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http://i5.photobucket.com/albums/y1...gdepartment.jpg
==> pic of error errroupdatingdepartment

http://i5.photobucket.com/albums/y1...eletionship.jpg
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