I have a matrix report that returns the following fields: SupplierName, PurchasingCredit, AccDate, ColOrdr. SupplierName list out rows, PurchasingCredit is the data value, AccDate is the column header, and ColOrder is just used to order the column headers on the report. The report is usually about 150 rows by 16 columns. Column headers include 13 individual months, Previous year-to-date, Current year-to-date, and Year-over-Year (YoY).
The report generates correctly, but the users would like to be able to use Interactive Sorting on two of the columns in the report: the SupplierName column (works fine) and YoY. Nothing I have tried seems to allow me to sort based on this YoY column. I get the sorting indicators, but clicking on them has no effect on the results whatsoever.
It looks as if this functionality just doesn't work within a matrix report. Can someone please help me understand if this is the case or if not, just how such sorting may be accomplished?