Public Property TextAngle As System.Integer

public System.int TextAngle {get; set;}

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);
}

Private Sub arv_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles arv.Load
    Dim rpt As New rptDocument
    rpt.Run()
    arv.Document = rpt.Document

    Dim f As New System.Drawing.Font("Times New Roman", 36)
    Dim x As Single = 1.0F
    Dim y As Single = 1.0F
    Dim width As Single = 6.0F
    Dim height As Single = 9.0F
    Dim drawRect As New RectangleF(x, y, width, height)

    With arv.Document.Pages(0)
        .Font = f
        .ForeColor = System.Drawing.Color.YellowGreen
        .TextAlignment = GrapeCity.ActiveReports.Document.Section.TextAlignment.Center
        .TextAngle = 900
        .VerticalTextAlignment = GrapeCity.ActiveReports.Document.Section.VerticalTextAlignment.Middle
        .DrawText("Confidential", drawRect)
    End With
End Sub