protected void btnLuuTT_Click(object sender, EventArgs e)
{
DTOTrangThai dtott = new DTOTrangThai();
dtott.TenTT = txtTenTT.Text;
DAO_Entity daott = new DAO_Entity();
if (KiemTraNhap() == "")
{
daott.ThemTT(dtott);
Response.Redirect("~/QLBophan_Admin/QLCauHinhTrangThai/TrangThai.aspx");
}
else
{
ThemTT.Visible = true;
lbLoi.Text = KiemTraNhap();
}
}