//获取请求网址,非法请求,返回主页
if (Request.UrlReferrer != null)
{
string requstUrl = Request.UrlReferrer.AbsolutePath.ToString();
if (requstUrl != "/Goods/SubmitOrder.aspx")
{
Response.Redirect("../Activity/Default.aspx");
}
}
else
{
Response.Redirect("../Activity/Default.aspx");
}