返回按钮

HyperLink 设置navigateurl为:Javascript:window.history.go(-1)

Button方法:
在page_load中:
             if (!Page.IsPostBack)
            {
                ViewState["reVS"] = Request.UrlReferrer.ToString();
            }

        protected void Button1_Click(object sender, EventArgs e)
        {
            Response.Redirect(ViewState["reVS"].ToString());
        }