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Solve: for i := 1 to NumDB do begin ? DB[i]:=TfrxUserDataSet.Create(self); ? DB[i].UserName:='DB'+inttostr(i); ? DB[i].RangeEnd := reCount; ? if i = 1 then frxReport1.DataSets.Add(DB[i]); //only DB1 is checked ? frxReport1.EnabledDataS…
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xiaomaoxia wrote: the 'i' should be frxUserDataSet1.RecNo No, it isn't problem. So I try show you a code. var  ar: array[0..9] of Integer = (0,1,2,3,4,5,6,7,8,9);  adrr: array[0..9] of String = ('a','b','c','d','e','f','g','h','i','j');…