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login.aspx.cs

 

protected void Page_Load(object sender, EventArgs e)
{

if (!IsPostBack)
{
ViewState["referrer"] = Common.Request.GetUrlReferrer();

}

}

 

 

 

 

代码

protected void btn1_click(object sender, EventArgs e)
{
string urlreferrer = ViewState["referrer"].ToString(); //因为btn事件回发，所以这里得到是本页
string str = this.Request.UrlReferrer.ToString();
string host = Common.Request.GetHost();
if (host == "localhost" && str != null) //判断主机头
{
Response.Redirect(urlreferrer);
}
else
{
Response.Redirect("~/default.aspx");
}
}

 

转载于:https://www.cnblogs.com/princeback/archive/2010/08/27/1809813.html