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May 25, 2011 at 05:10 AM

Passing optional parameter to subreport

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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