Response.Cache.SetNoStore()
    Response.Cache.SetCacheability(HttpCacheability.NoCache)
    Response.Buffer = True
    Response.Cache.SetAllowResponseInBrowserHistory(False)
    Response.ExpiresAbsolute = DateTime.Now.AddDays(-1)
    '  1500 seconds is 25 minutes
    Response.Expires = -1500
    Response.CacheControl = "no-cache"