Can I use the below script to make landscape as a default setup to print. thank you
ClientScript.RegisterStartupScript(Me.GetType(), "onclick", "<script language=javascript>window.open('Print.aspx','PrintMe','height=500px,width=800px,scrollbars=1');</script>")
ClientScript.RegisterStartupScript(Me.GetType(), "onclick", "<script language=javascript>window.open('Print.aspx','PrintMe','height=500px,width=800px,scrollbars=1');</script>")