protected void btDangNhap_Click(object sender, EventArgs e)
{
class_TracNghiem ob = new class_TracNghiem();
if (ob.login_check(tbPass.Text))
if (lbID.Text != "")
{
HttpCookie obCookie = new HttpCookie("EXAMS");
obCookie.Value = lbID.Text;
obCookie.Expires = DateTime.Today.AddDays(1);
Response.Cookies.Add(obCookie);
Response.Redirect("User_Exam.aspx");
}
else { }
else lbTrangThai.Text = "Mật khẩu không đúng";
}