Event Macro to insert text in cell based on input of another cell

Hi,

Background:
I have a macro that is used by the end user to validate if the code they input in a form will be accepted in our system or not. They input the coding in a specific range of cells (say B20:E40) and press the macro which returns a message in the column N which says whether the code was successful or invalid. So if the coding in row 20 is invalid the macro returns a message in N20 that says invalid.

The problem with this structure is when the coding is changed or deleted from the row, the message in column N remains the same until they re-run the macro.

Event Macro:
I want to create an event macro to be triggered in the event that any cell in range(B20:E40) is changed to identify that the code needs to be re-validated. I am able to create this using this simple macro:

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Here's my problem and sorry it took so long to get to the point, if the code in the row is erased I want the message in column N to disappear.

Outcome:
So if the coding is changed in a row, column N in that row = "Validation Required", if no code in the row, column N = "". Then once the validation macro is ran column N is replaced with "success"or "invalid". From there any change or deletion of rows will results in one of the two outcomes created by the event macro.

I hope that makes sense, let me know if you need more information.

Thanks,

Nick


Note: Solved in Cross-post

http://vbaexpress.com/forum/showthread.php?t=43561

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crosspost:

http://vbaexpress.com/forum/showthread.php?t=43561

Thanks snb.

Nplouffe,

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