I created a form in Access 2007 where some of the fields are "auto filled" from lookup tables. For example, I have a lookup table named "classes taken" which has the columns "class name", "units", and "hours". On the form, entering a "class name" from a drop-down list automatically fills in the units and clock hours in the two text boxes (Units, Clock Hours) that I created. To clarify, the control source for the unit text box is =[Classes Taken].[column](2), and for the clock hours text box is =[Classes Taken].[column](3). Here's the problem: on the form footer, I created text boxes to calculate total units and total clock hours. For example, for total units, =Sum([Classes Taken].[column](2)).However, when I go to the form view, the total unit text box displays "#error". How can I fix this? Is there a way to perform calculations on auto populated fields? Thanks for any assistance that you may be able to provide.
3  1388  NeoPa 32,566
Recognized Expert Moderator MVP
I could be wrong, but I don't believe it is possible to total unbound controls. See Why Values in Unbound Form Controls do not Persist for why.
There may be a way round it, but that would depend on including the data in your Record Source somehow (making the control bound).
NeoPa 32,566
Recognized Expert Moderator MVP
No worries. Sorry we couldn't be more help.
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