强制浏览器重新访问服务器下载页面

<%
'强制浏览器重新访问服务器下载页面，而不是从缓存读取页面
'Response.Buffer = True
'Response.Expires = -1
'Response.ExpiresAbsolute = Now() - 1
'Response.Expires = 0
'Response.CacheControl = "no-cache"
if session("Cnname")="" or session("NumID")="" then
Response.Write("<script>this.location.href='../CRMSystem/login.asp';</SCRIPT>")
response.end
end if
%>