ASP实用技巧 强制刷新网页

1   
2'强制性刷新随机验证码   
3'让随机验证码每次按IE的后退按钮时,返回登录页面的随即码都自动刷新,   
4Response.expires=-1   
5Response.AddHeader"pragma","no-cache"   
6Response.AddHeader"cache-control","no-store"   
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