how do i get an error message if identical data is in two or more.

B

bobone

i am writing a task rota with many personnell in it
i.e. sweeping -- jones
cooking ----- thomas
washing ---- edwards
how can I make sure that the peoples names dont appear twice,
I will be grateful for any suggestions
 
B

Bob Phillips

Do you want to trap it on input (some event error) or just flag the
duplicates (say in colour)?
 
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