Creating Password Function in Code

[diddy47]

Hello, say I have this data set Apple (123) Banana(456) Carrot (789) Mango (222) Peach(333) Berry

I want to have a cell say C12 be a cell where any number can be entered but it locks if a correct number corresponding to a fruit is entered and displays that fruit name in C11. If 123 is entered in C12 the word Apple is shown in cell C11.

How can i have it that ONLY C12 is locked after an entry corresponding to a fruit. If a number that does not match say 156 is entered in C12 nothing happens, C11 remains blank or just shows FALSE.

D12, E12 and so on should remain unlocked until a correct value is entered.

I had patched together a formula for testing the code for C11 (the formula will be the same for D11, E11 and so on) not sure if it is the best.

=IF(C12=123,"Apple",IF(C12=456,"Banana",IF(C12=789,"Carrot",IF(C12=222,"Mango",IF(C12=333,"Peach",IF(C12=444,"Berry"))))))

Basically I want no one to be able to change C12 after a matching value has been entered.

Please and thank you

[Kaper]

Format cells where user can change data as unlocked (in attachment A12:Z12).
Protect your sheet - I used password excelforum.com
In sheet code (right click on sheet tab and select "display code"):

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PS. I used in row 11 simple function with one if only. Instead of nested ifs I'd recommend using VLOOKUP or similar solution, but it's a subject for separate thread

[diddy47]

thank you so much for taking the time to do this...this is the function i have been looking for.....additional question how do I repeat the function on a different row say A24 on the same sheet

[Kaper]

If protected - unprotect your sheet.
Format cells where user can change data as unlocked (so for instance three ranges A12:Z12, A24:Z24, A36:Z36 - change these ranges also in the code below).
Protect your sheet
In sheet code (right click on sheet tab and select "display code"):

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[alansidman]

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