on page load
StringBuilder sb = new StringBuilder(); sb.Append("<script type = 'text/javascript'>"); sb.Append("window.open('"); sb.Append(url); Session["url"] = url.ToString(); sb.Append("');"); sb.Append("</script>"); ClientScript.RegisterStartupScript(this.GetType(), "script", sb.ToString());
after using this the tab is open but when i want to close the tab after 40 sec then my code is not working //For closing
* I am also using timer for another work
string jScript = "<script>window.close();</script>"; ClientScript.RegisterClientScriptBlock(this.GetType(), "timer1_tick", jScript);