I have a chart which has two dimensions MonthYr and Channel. One of the channel A is subset of another channel B. That means is if I have a transaction T1 coming through Channel A will always pass through Channel B before it completes. So in the chart I should have these Transactions counted once only in Channel A and not twice in channel B.
Now the problem is it is working fine with no selection in the MonthYr field. Once a selection is made I dont have the count of cases as Channel B - Channel A except for the month selected. Please help me in correcting the code