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.NE 后退刷新验证码

        Response.Buffer = true;

        Response.Expires = -1;

        Response.ExpiresAbsolute = DateTime.Now.AddDays(-1);

        Response.Expires=0;

        Response.CacheControl = "no-cache";

转载于:https://www.cnblogs.com/lmjob/archive/2008/09/01/1280965.html

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