Field Validation - Composite

Aug 29, 2006

Hi

I have a table Orders with fields InvoiceNo And Invoice Series.

I want if of course anyone can help me to Validate the next Invoice Number Not To Be Dublicate and to automatically Increment. Meaning that if Last Invoice number was 45 and Invoice Series is A the next to be A 46. If Last Invoice without Series is 40 the next to be 41, and so on. I can manage to increment the values in one field Invoice number but I can not incoporate the Invoice Series.

Any help would appreciated.

Note : I'm not good in VB so please be kind to me.

Kind regards
John

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Updating A Composite Key Field In A Table.

Oct 9, 2006

I will try to explain my problem.
I have a composite key in my table....(i.e. 2 primary keys), when I do an "update" querry through a form and try to update just one of the primary keys, it adds an entirely new record to the table with the updated primary key field.

What I want to do is to be able to update just one of the pirmary keys in the same record (i.e. without adding a new record)

Is this possible?? How?

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Nov 21, 2013

I have two tables linked to each other in one to many relationship. Instead of auto number, the date and shift (Text) is being used as the primary keys (Composite Primary Key). Here is the tables structures,

Payouts Table:
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Shift (Day or Night) : Primary Key

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Sep 7, 2006

Hi all. As always, thanks in advance for the input.

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Phil

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Jun 19, 2005

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Hope I explained that OK

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Nov 7, 2005

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I'm doing something wrong, as this isn't working for me.

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Nov 1, 2006

Hi,

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Does anyone have any suggestions?

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Apr 20, 2005

hi,

instead of providing validation at the client side or in the server script....
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Found some great code, else where that perhaps someone else can use.

Each required fields tag property - change to required
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Hi

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Jan 23, 2006

hello

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Mar 10, 2007

Hi, I am in a great hurry and I need someone to help me as soon as possible. Basically, I have a table called Column, which contains 4 fields:
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Mar 5, 2007

16593

I have attached the above relationship diagram as I am having a few problems with a table that uses composite keys to link to 2 other tables. The table is called subsmag and contains the fields subid and magid to link to the subscriptions (subid) and magazine (magid) tables. Basically 1 subscription can have many magazines and I am using the subsmag table to link the 2 tables. When I try to enter data in a form it doesn't like the composite key. Can anyone help, I have inherited the database design and I'm thinking it needs a redesign.

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