first table show the sum of total products sold every week , and the second table show the accumulation of the products weeks by adding previous weeks total to current week as shown in the screenshot attached . If you look at second table 13-jan-2019 for accumulation is not showing anything because there is no data for it . My requirement is to show 7 products there if there is no data it should show the accumulation of previous week. I am not getting this can you expertise please help with this .
I am using the below expression to achieve the accumulation of products .