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Check for Duplicate from a Textbox

Posted on 2011-09-26
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Last Modified: 2012-05-12
Hi Experts –

I need some help check for duplicates from a form. I want to check and see if my customer is entering a duplicate number in the form and prompt them that they shouldn’t be. I have some code but it’s not working as expected.

You can grab a number from the CLAIMNBR field on the form via copy and paste. Select new record from the record selector paste that number in the CLAIMNBR field tab off the field and a message box should come up tells you it’s a duplicate in the table.

I have code behind the form behind the txtClaimNbr textbox on the BeforeUpdate event.

That’s how I would like it to work.

As always any help is appreciated.

***** see example database *****  


Thanks in advance,

GeneBat

checkdupsfromtextbox.mdb
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Question by:GeneBat
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Accepted Solution

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DatabaseMX (Joe Anderson - Microsoft MVP, Access and Data Platform) earned 500 total points
ID: 36601383
Try this - attached


checkdupsfromtextbox-MX01.zip
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Author Closing Comment

by:GeneBat
ID: 36601682
Works great. Thanks!
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LVL 75
ID: 36601703
Did you see the change I made?

Removed code from Form BU event, put in text box BU event.

Also, your table name was misspelled in the DLookup().

mx
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Author Comment

by:GeneBat
ID: 36601789
Yes I did. I should have been using the BU event in the Textbox and not the Form. Again thanks a second pair of eyes is alway good. :)
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LVL 75
ID: 36601803
You are welcome ...

mx
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