I'm trying to set a column as a "loan number" and make sure it is not repeated. The one vaildation I found as a tip on this site didn't work for me. I'm not sure if it's beacuse I use alpha-numeric values and not just numeric?
ColumnA
1234C5
2345C6
etc.
Any ideas?
ColumnA
1234C5
2345C6
etc.
Any ideas?