Add Control To Crystal Report Viewer Toolbar

Call This Method In To Page Loload(It will Remove Business Object Image)
private void customizeToolbar()
        {
            Control ts = CrystalReportViewer1.Controls[2];
            if (ts.ToString().Contains("ViewerToolbar"))
            {
                var BtnBack = new Button();
                BtnBack.ID = "btnBack";
                BtnBack.Text = "Back";
                BtnBack.ToolTip = "Back";
                BtnBack.Click += Button1_Click;
                ts.Controls.RemoveAt(16);
                ts.Controls.AddAt(16, BtnBack);
            }
        }