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vb.netcrystal-reportssubreport

Error with nested crystal reports **Not supported within subreports**

I have a vb.net solution that is developped using vs 2010 and .net framework 4.0.

On a submit button reports are generated using Crystal Reports version 13.0.2. Reports are filled with datasets and some of them are nested reports. Suppose I have report A, with sub-report B and B contains a sub-report C. I am using the below code to fill data:

MainReport.Load(Server.MapPath("~\Reports\A.rpt"))
MainReport.OpenSubreport("B.rpt").SetDataSource(DsB)
MainReport.OpenSubreport("B.rpt").OpenSubreport("C.rpt").SetDataSource(DsC)

But the third line is throwing an error

Not supported within subreports.

What is the error here? Any suggestions?

Please note that I am not using parameters in subreports.

Solution

  • Nested subreports are not supported in Crystal Reports. This is by design.

    See also the following discussions:
    https://archive.sap.com/discussions/thread/3348939
    https://archive.sap.com/discussions/thread/2142327
    http://www.crystalreportsbook.com/forum/forum_posts.asp?TID=193

    You'll need to re-design your report(s).