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Increment/Decrement Inventory Values
Inventory Database Calculations Example
Custom Inventory software is the most widely requested type database for our programmers. In this Access database example download we demonstrate the simplest method for calculating inventory totals when creating purchase order or similar Access forms.
We have dozens of downloadable Access databases for you to learn and examine.
15 years ago we were putting Access database on the web using Active Server Page programming language for the user interface. See a few examples of old-style Access on the Internet.
This Access database download shows how you can use the Docmd.Runsql statement in the after
update (afterupdate) event to increment and decrement
inventory totals. The methods demonstrated here are only suitable for
single-user database systems since the code does not take into account the
possibility of locked table records.
The following code is run from the Access database example:
Option Compare Database
The inventory calculations method shown in this example should only be considered for a one-user inventory system. Consider using transaction processing for these types of calculations in a multi-user database so that record locking and update failures can be tracked to increase database integrity and inventory calculation accuracy. Download the Access 2000 Inventory Calculations Example.
Our Access transaction processing example demonstrates performing multiple database update actions and assuring that either all or non of the updates get completed. Here's a like to our transaction processing example.
MS Access 2003
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