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Access VBA: See if a value exists in a column

Murray Brown
Murray Brown asked
Medium Priority
Last Modified: 2008-01-09

What is the best way to see if a certain value exists in a tables's column.

I am archiving data and want to check whether the key field exists in the destination archive table
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Use the DLookup function as follows:

If IsNull(DLookup("FieldName","<TableName>","KeyFieldName=<ValueYouWantToCheckFor>)) then
     'It doesn't exist
     'it exists
end if

If the keyfield is string, then the value you want to check for must be in quotes.

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Murray BrownASP.net/VBA/VSTO Developer


Great answer

Thank you
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