Hi all
I have 4 comboboxes on my userform and they are called c1 c2 c3 and c4 I
want to have excel check up to make sure the same value is not used twice.
I have tries this myself and have not suceeded because of when it is left
blank it activates the code i have written to warn of duplicates.
Can some one help me with this
Thanks
Greg
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