Solution to overcome the message “Report processing was cancelled“ while rendering report in VS.NET report viewer control

This message will come if we have both the  SetDisplayMode() & RefreshReport() like below

ReportViewer1.SetDisplayMode(DisplayMode.PrintLayout);
Me.ReportViewer1.RefreshReport();

The SetDisplayMode internally calls RefreshReport() and
at the same time as per the second statement above we also explicitly call the RefreshReport() hence the
previous call will gets cancelled hence the message “Report processing was cancelled”. The same applies if we call refreshReport() first and then SetDisplayMode()

To overcome this message, don’t call RefreshReport() when you have SetDisplayMode().

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