SSRS Report Design Calling in ax2012 R2 SSRS

Hi,

I  have one urgent requirement, SSRS Report :

in Single report i have two Precision Designs(summary, Detailed), when am run the parameter  In check box enabled, when i checked check box, summary design , when unchecked detail report format want to execute. 

Both designs in single report. how to execute.

plz guide me how to do it.

Am using  AX2012 R2, SSRS report .VS2010,

Thanks

Eswar M