pick voucher dates less thank selected date from calendar

[mrbqlik2009]

Hi,

I have calendar contain year, month and day. and bellow that have table that for showing vouchers. each voucher has date.

I want when i selected one date from calendar, show all vouchers dates less than selected.

[Kushal_Chawda]

Create a variable on frond end

vSelectedDate

=max(CalendarDate)

then use below expression

=sum({<CalendarDate={"<$(vSelectedDate)"}>}Value)