Custom Validation - Dependent Drop Down Lists

Posted by Holysmoke on Super User See other posts from Super User or by Holysmoke
Published on 2010-12-20T06:37:07Z Indexed on 2010/12/21 5:23 UTC
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Filed under:

excel

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excel-2007

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excel-formula

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data-validation

Hi,

I've two columns in a sheet that are interdependent and I want to use validation, drop-down lists, on both as follows:

Column A (TYPE) | Column B (Sub-TYPE)
------------------------------------------|
TypeA, TypeB    | If TypeA SubTypeA1,     |
... TypeN       | SubTypeA2 ... SubTypeAN |
------------------------------------------|

Creating the column A drop down is trivial. How do I create the Column B drop down, that in turn depends on what was chosen in Column A?

TIA

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