Thanks for reaching out!
This happening because on windows 10 and earlier, ReportViewer uses the old (GDI-based) print dialog/preview. That dialog did not have a true preview, but you could still print fine.
On Windows 11, Microsoft replaced the print UI with a modern XAML print dialog.
- If the app doesn’t provide a preview handler, Windows shows “No preview available”.
- his is why you see it in ReportViewer, Notepad, Notepad++, and other legacy apps.
So, it’s not a bug in your code or ReportViewer, but a Windows-level change.
Workarounds / Options:
1. Force the Legacy Print Dialog: Windows 11 has a registry option that makes all apps fall back to the classic print dialog (which avoids the broken preview screen):
[HKEY_CURRENT_USER\Software\Microsoft\PrintWorkflow]
"PreferLegacyPrintDialog"=dword:00000001
- Restart the app after setting this.
- Result: You won’t get “No preview available,” but you also won’t get a live preview — just the old Win32 print dialog (same behavior as Windows 10).
2. Provide Your Own Preview in ReportViewer:
- ReportViewer itself has a built-in report preview pane (before you print).
- Instead of relying on Windows’ print preview, direct users to use the ReportViewer’s own preview and print directly.
- This bypasses the OS-level preview issue.
3. Update Windows / Drivers:
- some builds of Windows 11, this behavior is driver dependent.
- Make sure you have the latest Windows updates and latest printer drivers installed. Some printer drivers add back proper previews.
4. Alternative Printing Workflow: If you must have a proper preview:
- Export the report to PDF (
reportViewer.LocalReport.Render("PDF", ...)) and open it in a PDF viewer (which supports full preview and printing). - This is the most reliable option for apps that need true WYSIWYG print preview.
Let me know if you need any further help with this. We'll be happy to assist.
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