Hi,
I am having a CR 2008 report based on BW query. The query has optional parameter (the value can be set to NULL). When I try to use this report as subreport in my main report, I am unable to pass Null(equivalent to set to NULL) to my subreport using subreport link. I tried blank and "" in a formula field and try to link it to the subreport parameter but it doesn't work. Kindly guide me in this regard.
Thanks and Regards,
Subbu S