I am using a validation data formula, initialy I have it set up to use
only the range (A1:A24) and (B1:B24) now I want to expand the range to
(B1:B30) (A1:A30)
Initial formula:


When I go to the data validation window and modify the formula as


There is not changes the range still reads the initial formula and the
new rows
read as A48 , A49....

I would like to know what should I do to modify my data as the second