Public Property OwnerPassword As System.String

public System.string OwnerPassword {get; set;}

private void btnExport_Click(object sender, System.EventArgs e)
{
    SectionReport1 rpt = new SectionReport1();
    GrapeCity.ActiveReports.Export.Pdf.Section.PdfExport p = new GrapeCity.ActiveReports.Export.Pdf.Section.PdfExport();
    p.Security.Encrypt = true;
    p.Security.OwnerPassword = "Mortimer";
    p.Security.UserPassword = "monkey";
    p.Security.Permissions = GrapeCity.ActiveReports.Export.Pdf.Section.PdfPermissions.AllowPrint;
    p.Security.Use128Bit = true;
    rpt.Run();
    this.viewer1.Document = rpt.Document;
    p.Export(rpt.Document, Application.StartupPath + "\\p.pdf");
}

Private Sub btnExport_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
    Dim rpt As New SectionReport1
    Dim p As New GrapeCity.ActiveReports.Export.Pdf.Section.PdfExport
    p.Security.Encrypt = True
    p.Security.OwnerPassword = "Mortimer"
    p.Security.UserPassword = "monkey"
    p.Security.Permissions = GrapeCity.ActiveReports.Export.Pdf.Section.PdfPermissions.AllowPrint
    p.Security.Use128Bit = True
    rpt.Run()
    Me.Viewer1.Document = rpt.Document
    p.Export(rpt.Document, Application.StartupPath & "\p.pdf")
End Sub