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#1
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validating format
hi community
can anybody assist me to perform this task... A B C 1 1012345 2 1012346 3 1012347 4 1012348 5 6 base from the above simple scenario, is there a way to validate the column A that if I enter the number say, 1012345, there is some kind of indicator, maybe it turn to a color (like red color 1012345) and this will assist me to know that it is a repeated number? I already had 1500 rows that already have number entered. thanks community for the kind assistance :) -- oldLearner57 |
#2
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validating format
Conditional Formatting/ Formula Is/ =COUNTIF(A$1:A$1000,A1)1
-- David Biddulph "oldLearner57" wrote in message ... hi community can anybody assist me to perform this task... A B C 1 1012345 2 1012346 3 1012347 4 1012348 5 6 base from the above simple scenario, is there a way to validate the column A that if I enter the number say, 1012345, there is some kind of indicator, maybe it turn to a color (like red color 1012345) and this will assist me to know that it is a repeated number? I already had 1500 rows that already have number entered. thanks community for the kind assistance :) -- oldLearner57 |
#3
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validating format
If repeats are allowed and you just want to know about them, then David's
solution is what you want. However, if you want to be alerted to, and prevented from entering, duplicate values in Column A, the select the entire column, click Data/Validation on Excel's menu bar, choose Custom in the Allow box and uses this custom Formula... =COUNTIF(A$1:A1,A1)<2 Rick "oldLearner57" wrote in message ... hi community can anybody assist me to perform this task... A B C 1 1012345 2 1012346 3 1012347 4 1012348 5 6 base from the above simple scenario, is there a way to validate the column A that if I enter the number say, 1012345, there is some kind of indicator, maybe it turn to a color (like red color 1012345) and this will assist me to know that it is a repeated number? I already had 1500 rows that already have number entered. thanks community for the kind assistance :) -- oldLearner57 |
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