public ActionResult SuaThongSoKT(List <ThongSoKyThuat> lstkt)
{
if (lstkt.Count == 0)
{
return(RedirectToAction("SanPham"));
}
var spm = new SanPhamModel();
spm.DelAllTSKT(lstkt[0].SanPhamId);
foreach (var item in lstkt)
{
if (!string.IsNullOrEmpty(item.ThuocTinh))
{
spm.ThemTSKT(item);
}
}
return(RedirectToAction("SanPham"));
}