vb.net - crystal reports print summary of a group in another group footer -

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i trying print report of format:

name (formula: lname,fname) details name group      summary of group1(by week)      sumary of group2 (by name)       summary of group 3 in group2 footer

i want consolidated summary of 1 group eg: 

somerset, mark    6-12-2009 writer      $400    7-12-2009 actor       $500              year 1     $900              6-12-2010 unemployed  $0   7-12-2010  writer      $600               year 2     $900                writer     $1000              actor      $500              unemployed $0  somerset, william    5-12-2009 writer      $300    7-12-2009 actor       $300              year 1      $600              5-12-2010 unemployed  $0    6-12-2010  writer     $800               year 2     $800                writer     $1100              actor      $300              unemployed $0

the report grouped name formula. cannot create subreport! can please help!

create 2 more formulas , place in details after regular fields , take summary in section require , supress detail formulas , display summary formula.

create formula @writer

if databasefield="writer" value else 0

create formula @actor

if databasefield="actor" value else 0

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