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Find Duplicates In Table



I need to send an alert window to a user if the data they are writing to a datapage has a duplicate entry on two fields. (Field1 AND Field2) The fields can't be unique because they need to be able to accept the duplicate fields.


I need a comparison of two concatenated entered values to a database lookup of the same concatenation. I have a working strategy of creating another field in the table that is the concatenated values, concatenating the entered values and doing a table lookup based on the entered values.


I can do the concatenation, but I'm having trouble with the table lookup.




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