protected void Btnsex_Click(object sender, EventArgs e)
    {
        string myname = TextBoxName.Text.Trim();

        if (!string.IsNullOrEmpty(myname))
        {
            if (LearnSite.Common.WordProcess.IsZh(myname))
            {
                string mySnum = Request.Cookies[LearnSite.Common.CookieHelp.stuCookieNname].Values["Snum"].ToString();
                LearnSite.BLL.Students sbll = new LearnSite.BLL.Students();
                sbll.ChangeSname(mySnum, myname);
                LearnSite.Common.CookieHelp.EditCookiesItem("StudentCookies", "Sname", Server.UrlEncode(myname));
                System.Threading.Thread.Sleep(500);
                string msg = "修改姓名成功! 确定跳转";
                LearnSite.Common.WordProcess.Alert(msg, this.Page);
                Response.Redirect("~/Student/myinfo.aspx", false);
            }
            else
            {
                Labelstr.Text = "请输入中文姓名,不能有空格!";
            }
        }
        else
        {
            Labelstr.Text = "请输入你的姓名!";
        }
    }