I need to calculate the sum of values of last two months in script.Here i am attaching the code and the sample application for reference.
Please go through it and help me.
LOAD * Inline [
Data , Month
i have the above sample data and i need to sum of two previous months say if i select month 2 then it should show the sum of previous two months say 1 ,2 and sum should be 13 in total for this selection.
I want to achieve the above result by script only not on frontend.