Protected Sub Menu1_MenuItemClick(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.MenuEventArgs) Handles Menu1.MenuItemClick

Response.Write("<script language='javascript'> { window.showModalDialog('frm_ConfDelete.aspx',null, 'height=600, width=800, status=yes, toolbar=no, menubar=no,  location=no, moveTo(0,0)'); }</script>")