private void CoursesOld()
 {
     if (Request.Cookies[LearnSite.Common.CookieHelp.teaCookieNname] != null)
     {
         string Hid = Request.Cookies[LearnSite.Common.CookieHelp.teaCookieNname].Values["Hid"].ToString();
         LearnSite.BLL.Courses course = new LearnSite.BLL.Courses();
         int Cobj  = Int32.Parse(DDLgrade.SelectedValue);
         int Cterm = Int32.Parse(DDLterm.SelectedValue);
         GVCourse.DataSource = course.GetOldHidList(Cobj, Cterm, Int32.Parse(Hid));
         GVCourse.DataBind();
     }
 }