drop down list that drill down

R

Ruth

Hi there

I have a cell that uses a list of different ports for validation.
There are several docks at each port, so I want to create another cell that
once a port is chosen in the first cell, only those dock at that given port
are on the list.

EI

cell 1 = "ALP" (port that is chosen from validation list)
cell 2 (validation list only docks in "ALP")


How is this done?
 
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