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When a calculated field changes on a form, I want the value of another control to change as well. How do I do that?

Posted on 2011-03-24
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Last Modified: 2012-05-11
I need a field on a form to change to the same value when a certain calculated field changes value.
I need to store this value to act as a flag in another form.
Help please.
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Question by:Fritz Paul
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4 Comments
 
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Expert Comment

by:peter57r
ID: 35205933
I assume you are talking about an calculated control on a form, not one of the new calculated field types in A2010.

You need to go back a step to do this.

If you have a calculated control, that control must be based on other fields and/or controls on the form or in the form's recordcource.  You need to add a line of code to the afterupdate event procedure of each of any editable 'source' controls.

The code would look like..

me.targetcontrolname = me.calculatedfieldname
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Author Comment

by:Fritz Paul
ID: 35206311
Hi,
No this is not 2010.
Yes that is a solution, which I used on another form.
Took me ages to program each control. I was wondering if there wer not a solution like for the forms OnChange that if anything changes the value of the calculated field would update the bound field.
What I do now is that I added a close button and at least when I click the close button I set the bound control to the value of the calculated control.
Thanks for the help.
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peter57r earned 1000 total points
ID: 35208917
In general, Form events do not fire unless there is no available Control event which can fire first.

"What I do now is that I added a close button and at least when I click the close button I set the bound control to the value of the calculated control."

That seems very sensible as long as you don't need to see the changes as soon as they are made (which seems unlikely in this case- it sounds like you don't really need the bound field on the form at all). The more common route in VBA would be to use the Form_Beforeupdate event procedure to set the bound field value just as the record is being saved.
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Author Comment

by:Fritz Paul
ID: 35209029
Thanks for the Beforeupdate event tip.
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