private void arv_Load(object sender, System.EventArgs e)
{
    rptDocument rpt = new rptDocument();
    rpt.Run();
    arv.Document=rpt.Document;

    System.Drawing.Font f = new System.Drawing.Font("Times New Roman", 36);
    arv.Document.Pages[0].ForeColor = System.Drawing.Color.YellowGreen;
    arv.Document.Pages[0].Font = f;
    arv.Document.Pages[0].TextAlignment = GrapeCity.ActiveReports.Document.Section.TextAlignment.Center;
    arv.Document.Pages[0].TextAngle = 900;
    arv.Document.Pages[0].VerticalTextAlignment = GrapeCity.ActiveReports.Document.Section.VerticalTextAlignment.Middle;

    Single x = 1.0F;
    Single y = 1.0F;
    Single width = 6.5F;
    Single height = 9.0F;
    RectangleF drawRect = new RectangleF(x,y,width,height);

    arv.Document.Pages[0].DrawText("Confidential", drawRect);
}