How to show current year data only

[balasundaram]

I have designed dashboard.in my reports i have current and previous data.But while open report i want current year data. if i selected previous year in list box i want to get previous data in same report. Please provide any expression like that..

[ashfaq_haseeb]

try this

=Sum({$<Year = P(Year)>} Sales)

Regards

ASHFAQ