protected void Button1_Click(object sender, EventArgs e)
{
Response.Redirect("http://www.programbbs.com");
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title></title>
</head>
<body id="b" runat="server">
<form id="form1" runat="server">
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="打开新窗口或者新 Tab " />
</form>
</body>
</html>
另外一种弹出的方法可以参见老外的文章：
http://weblogs.asp.net/infinitiesloop/archive/2007/09/25/response-redirect-into-a-new-window-with-extension-methods.aspx
