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Using values form dropdown box to set field default value

Posted on 2010-11-17
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Last Modified: 2013-11-28
Hello Experts!

How can I assign a field's default value from a selected value in dropdown box?

Background:

tblStudent table (lists all students and attributes with a school field call tblSchool). I could set the default value of this field to, say "Pacific High School", in design view but more that one school will use this database. I have another table with settings, tblSettings that I keep the school's name. Users can set the name when they first login to the application by selecting  their school  name in a drop down box. Their selection is written to the tblSettings table, tblSettings_School field.

What I would like to do is when a new record is written the default value for the School field in the tblStudent table will default to the value listed in tblSettings, tblSettings_School field.

I tried setting the default value in design to [tblSettings].[tblSettings_School] but that didn't work.

Any help you can provide would be great

Thanks in advance for this?
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Question by:shogun5
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t_hungate earned 500 total points
ID: 34161346
You can create a hidden txt box on your form with a control source of  [tblSettings].[tblSettings_School], name it txtDefaultSchool. Then on your form, just set the school field to match the txtDefaultSchool, unless changed by the user.

TLH
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Author Closing Comment

by:shogun5
ID: 34161505
Okay, that will work too. I had to use =Nz(DLookUp("tblSettings_School","tblSettings"),0) as the control source for txtDefaultSchool and then assigned this value to txtSchool field on the Form Load event.

Thanks again!
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