A bit more testing. I took the line:
reportViewer.ViewerCore.ParameterFieldInfo = GetParameters();
And placed it before the reportViewer line: reportViewer.ViewerCore.ParameterFieldInfo = GetParameters(); reportViewer.ViewerCore.ReportSource = vObjReport;
This looks to have resolved the issue. Can you pls try the same?
BTW.; I also tried this with one of my reports and it works just fine also.
- Ludek