asp.net清除缓存的方法，似乎是(终极篇)

            context.Response.Buffer = true;
            context.Response.Expires = 0;
            context.Response.ExpiresAbsolute = DateTime.Now.AddDays(-1);
            context.Response.AddHeader("pragma", "no-cache");
            context.Response.AddHeader("cache-control", "private");
            context.Response.CacheControl = "no-cache";