Limit Number Of Record Entries

Mar 3, 2006

Hey

I'm trying to create a Library database. This involves restricting the number of loans available to each member (currently 3). I need to make it so no more than 3 records exist in that table for each member. For now ive just entered a VB script that has a message box saying not to enter more than 3 loans per person but I dont think thatll be enough, I need some sort of validation for the whole table rather than a field.

I know how to limit the returns of sql queries which is all I can find, but not how to limit the actual amount of entries.

The loan table is part of a double query within a subform of the member form if it helps :s

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Nov 28, 2014

I am currently trying to figure out how to limit the entries into a nested sub form to just one.

for example im making wine collection database, I have a PURCHASE table, a WINE table containing the FK of the PURCHASE PK, and an INVENTORY contain the FK of the WINE PK.

a purchase can contain many wines, but one wine can only be in one inventory location.

I am trying to add all this information with one form. I fill out the purchase details, enter the info of X bottles of wine were in the purchase, and then with one of those wines selected in their subform, i enter the inventory details for that wine. I go select the next wine in the first subform and the inventory nested subform doesnt allow another entry.

I have this code loaded into the On Current event for the main form:

Private Sub Form_Current()
With Me![INVENTORY Subform].Form
If .Recordset.RecordCount = 0 Then
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[Code] ....

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Hi All.
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