防止网页后退--禁止缓存

protected void Page_Load(object sender, EventArgs e)


{


    //防止网页后退--禁止缓存


    Response.Expires = 0;


    Response.Buffer = true;


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


    Response.AddHeader("pragma", "no-cache");


    Response.CacheControl = "no-cache";


}