In particular, and I believe it was the first, or at least one of the first examples, The Northwind Database is a fine example of an invoicing system.
![]() ![]() Northwind Sample Database How To Link AI demonstrate how to link a combobox to the query so that you can control the records Returned.![]() I explain how the subform is not actually on your main form but contained within a subformsubreport control which I referred to as a subFrmWin (subform window). I recommend saving a text version of the query somewhere within your form so that if a user happens to damage, or lose the query, its quite an easy process for you to repair your database. The earliest version hadhas a problem with the Order Form in that you could accidentally switch an order from one customer to another. This might seem a minor irritation however, it means that you cannot easily combine one sample with another. Lets say you had a vehicle tracking database and you wanted to add the facility to invoice by linkingcombining it with another sample, you are not able to mix and match components from the various samples, not easily anyway.
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