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Forms works in isolation BUT NOT as a sub form

Posted on 2011-09-02
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Last Modified: 2012-05-12
Example: I sell car parts !  I have a combo for the make of car.   Depending on the make chosen I have a combo for the model of car.  Depending on the model chosen I have a combo for the car part etc.

See frmOrdDetTypes which has 4 drop downs which work fairly well (not perfectly).

However, if I put frmOrdDetTypes in frmCustomers and then run frmCustomers - ERRORS! when if go into the sub form frmOrdDetTypes

Why does frmOrdDetTypes work on its own but NOT as a sub form

KeylightMaintenance.zip
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Question by:Patrick O'Dea
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LVL 120

Expert Comment

by:Rey Obrero (Capricorn1)
ID: 36476133
it works here!!!

try doing a compact and repair
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Author Comment

by:Patrick O'Dea
ID: 36476189
Thanks capricorn1,
Are you saying that you can run frmCustomers and then go into subForm frmOrdDetTypes and then choose from the 4 levels of drop downs - with no errors  ??

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Accepted Solution

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pteranodon72 earned 250 total points
ID: 36476201
It will work if frmOrdDetTypes is open as a main form, but not as you want

The problem is each query's references to Forms!frmOrdDetTypes!ComboX. This type of notation expects that frmOrdDetTypes is open as a main form, not a subform. The queries bomb won't run if frmOrdDetTypes is not open / open only as a subform.

You can get around this by changing the criteria in each query to [Combo6], [Combo14], etc. without the Forms!frmOrderDetTypes!

This way, the query finds a value for [Combo6] within the context of the current form.

HTH,
pT72
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LVL 120

Assisted Solution

by:Rey Obrero (Capricorn1)
Rey Obrero (Capricorn1) earned 250 total points
ID: 36476294

test this

the format for the reference is

forms!nameofmainform!subformcontrolname.form!controlname
KeylightMaintenance.accdb
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Author Closing Comment

by:Patrick O'Dea
ID: 36477244
Thanks guys!  Great explanations!
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