Error description: Message:Object reference not set to an instance of an object.
Source:mscorlib
Target:Void StructureToPtr( System.Object, IntPtr, Boolean)
Stack: at System.Runtime. InteropServices .Marshal.Struct ureToPtr(Object structure, IntPtr ptr, Boolean fDeleteOld)
at CrystalDecision s.ReportAppServ er.DataSetConve rsion.DataSetCo nverter.Wrap(Da taSet dataset, CrdbAdoPlusDele gate& adoPlusDelegate )
at...