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Question

i have 3 cols sectorno,plot size, consumername
in sectorno there are 6 different sectors(like d-1,d-2,e-1 etc),and plot size is also of different type(like 5m,7m,10m,12m etc).
i want to put them in crystal report in such a way that when i click on d-1 and 5m so shows all those consumernames which lies in that d-1 sector and 5m plot size. please tell me how is it possible