Hello,
You need to set the FROM's target to blank
Page.Form.Target=blank
Check this url:
http://www.ivanuzunov.net/how-to-open-postbackurl-in-new-window/
Good luck
Braulio
/// ------------------------------
/// Braulio Diez
///
/// http://www.tipsdotnet.com
/// ------------------------------
> Hello
> Could you help
> i want to use postbackurl to a new window, not replace previous page.
> i doing something
> onclientscript="form1.target='_blank'" postbackurl="~/default2.aspx" is
> not work.