Can you calculate on correlated combo boxes in Microsoft Access 2007 - or doctor them so that you can?
I have a table called T_Quote with the following fields:
ID_Quote (an Autonumber field)
Customer_ID (a Foreign key)
QuoteDate (a Date field)
QuoteNo (a Number field)
I have another table called TL_QuoteItem which lists the items that can be quoted on and the cost of each item, with the following fields:
QuoteItem (a Text field)
QuoteItemUnitCost (a Currency field)
I have another table called: T_QuoteItem with the following fields:
ID_QuoteItem (an Autonumber field)
Quote_ID (a Foreign key lookup to the Autonumber field in the table T_Quote)
QuoteItemQuantity (a Number field)
QuoteItemDescription (a Text field)
Item_TL (a lookup to TL_Item in TL_QuoteItem with the following RowSource: SELECT [TL_QuoteItem].[QuoteItem], [TL_QuoteItem].[QuoteItemUnitCost] FROM TL_QuoteItem ORDER BY [QuoteItem];
In the query, Q_QuoteItem I have all of the fields from TL_QuoteItem, except that instead of
so that I could copy it and display the 2nd column instead of the first and call it:
I would like to be able to calculate on those 2 fields (Item:TL_Item and ItemUnitCost:Item_TL) and have a field called:
Is there anyway that these correlated combo boxes can "doctored" so that they can be calculated on?
Thank you for any help.
Keys to the Problem Can you calculate on correlated combo boxes in Microsoft Access 2007 - or doctor them so that you can?
First, I recommend an autonumber PK in each table.
But having an autonumber shouldn't affect formatting another column in the query.
Besides you can form the control on a report.
Should work as the controlsource of a textbox IF the combobox is names TL_QuoteItem and the UnitCost is the third column of the rowsource of that control and QuoteItemQuantity is another control on your form.
By the way, I would have a field in the same table as the quantity for Unitcost and I would populate it from the RowSource.
since costs can change over time and you want to freeze the cost at the time of the quote, you should capture the value rather
then pull it from a related record.
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