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Hi
I want to create a formula for a data validation. I must not be able to enter a ticket number that already exists in my database in a specific column. Regards, Luke |
#2
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=COUNTIF(A:A,A2)=0
where a2 is the DV cell -- HTH Bob Phillips (replace somewhere in email address with gmail if mailing direct) "Luke" wrote in message ... Hi I want to create a formula for a data validation. I must not be able to enter a "ticket number" that already exists in my database in a specific column. Regards, Luke |
#3
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=COUNTIF(A:A,A1)<=1
"Bob Phillips" wrote: =COUNTIF(A:A,A2)=0 where a2 is the DV cell -- HTH Bob Phillips (replace somewhere in email address with gmail if mailing direct) "Luke" wrote in message ... Hi I want to create a formula for a data validation. I must not be able to enter a "ticket number" that already exists in my database in a specific column. Regards, Luke |
#4
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oops! I think I was thinking of comparing back up.
-- HTH Bob Phillips (replace somewhere in email address with gmail if mailing direct) "Toppers" wrote in message ... =COUNTIF(A:A,A1)<=1 "Bob Phillips" wrote: =COUNTIF(A:A,A2)=0 where a2 is the DV cell -- HTH Bob Phillips (replace somewhere in email address with gmail if mailing direct) "Luke" wrote in message ... Hi I want to create a formula for a data validation. I must not be able to enter a "ticket number" that already exists in my database in a specific column. Regards, Luke |
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