crystal reports - Put count of rows - count({your filed}) from subreports to highest section -

is there way put count of rows - count({your filed}) subreports of below details sections first detail section, not sure if it's possible:

there 1 way may become bit slow (depends on data...only slow if data huge).

create 1 more detail section , take height of section tthe minimum , in section place sub reports want pass , create report is.

now able pass data required change addition of 1 more detail section , first section height 0, , rest same.