protected void ButtonDel_Click(object sender, EventArgs e)
{
if (Request.Cookies[LearnSite.Common.CookieHelp.teaCookieNname].Values["Hid"] != null)
{
int Cid = Int32.Parse(Request.QueryString["Cid"].ToString());
int Chid = Int32.Parse(Request.Cookies[LearnSite.Common.CookieHelp.teaCookieNname].Values["Hid"].ToString());
LearnSite.BLL.Courses coursebll = new LearnSite.BLL.Courses();
coursebll.DeleteCourse(Cid, Chid);
System.Threading.Thread.Sleep(500);
Response.Redirect("~/Teacher/course.aspx", false);
}
}