Here are my data:
When I select Month 6, I want listbox City to disappear. Normally it is:
So how can I check if there are some data in a column for some value of another column?
Attaching QVW also.
I tried a conditional statement in the layout of the ListBox, check the attached file
View solution in original post
Layout->Conditional Expression: =len(trim(Concat(DISTINCT City)))