Sum on GroupHeader
i have problem with SUM function.. please look at the pic, i want place SUM to the GroupHeader.. i have tried but result was empty.
Case 1 with Result :


Case 2 with Result :


Case 3 with Result : (TROUBLE !!)


please your feedback
Case 1 with Result :


Case 2 with Result :


Case 3 with Result : (TROUBLE !!)


please your feedback

Comments
totals in group header report.