Can A Default Table Value Be A Calculated Value?

Jun 23, 2005

Hi all,
I have a table...

Amount........Wholesale...........Commission

Lots of other columns but they don't come in to play.

When an Amount is entered, can Wholesale and Commission auto populate with Amount*.9 and Amount *.1 using default values in the table definition? I couldn't quite get the expression builder to understand.

If it can't, how should I get it to work? Forms are OK. As is code.
Thanks
PB

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Default Combo Box Based On Default Table Value

Feb 13, 2006

Hi Everyone,

I hope someone can help.

I have a form with a combo boxes and a table with relevant list and additional field, fldDefaultDrive (Yes/No Field).

Currently in order to set the default value, I have used the following code for each default;

Private Sub Form_Load()
Forms!frmMediaLabeller!CboDriveName.DefaultValue = """D"""

End Sub

However, I want users to be able to go into the table and change the default value if thier CD player default Drive is anything but D: Drive. I have tried to replace the D above with an SQL statement but with no success.

Private Sub Form_Load()

Dim Drivename As String

Drivename = SELECT tblMediaDrive.fldDrivename FROM tblMediaDrive WHERE (((tblMediaDrive.fldDefaultDrive)=-1));

Forms!frmMediaLabeller!CboDriveName.DefaultValue = """Drivename"""

End Sub

This is definetly not working, can anybody help, I have a feeling it is syntax but not sure where? :confused:

Robert88

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Jan 21, 2005

Hi everybody,

Beginner here needs help !

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I have what is probably a stupid question but I've been struggling with this one for a while. I have an ordering database which has an Orders table (containing Order ID, Date, Supplier etc) and an Order Line table within which I have a combo box for Product name, supplier, price, VAT rate, Line price etc. At the moment, I have the order line table as a subform within the Order form (run from the Orders table). The problem I'm having is the subtotal and total fields. At the moment these are in the Order Line table as I cannot figure out how to get these in the Orders table. In summary, can I make a calculated field in one table that calculates values from another table (linked by Order ID)?

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Jan 13, 2005

Is there any way I can have a default value in a table set to the value in a field in another table?

I have a table that has event information including the number of the event, e.g., this year is the 51st one. This event information table only has one line because after the event I'm going to save the record to an archive table and then update the information for the next year.

I have another table with participants in the event and records for it come from a form. I'd like to have it so that it automatically inserts the event number for each record. In this way when I archive that information, we'll know which event the participant was involved in. The participant could be involved for a number of years.

I'd rather not have the input person have to type in the event number every time. Doing a combo box also involves an extra step for them. It seems like I ought to be able to automate this info. I don't know anything about VBA.

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Hello,

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op.: I don't wan't to use the "autonumber" option...

thanks
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whenever i try to use the statement, access keeps giving me the error...
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Hi,

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Hello,

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Hi all,

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I've learned the hard way about using calculated fields in a table. I used on while building in Access 2010 for users that will be using Access 2007. Once my testers pointed out the error message, I did some research and realized my calculated field was the problem.

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