public int Insert(GiaoVien hs)
{
if (checkmaGiaoVien_ID(hs.Magiaovien) == 0)
{
hs.Tengiaovien = Tools.ChuanHoaXau(hs.Tengiaovien);
hs.Quequan = Tools.ChuanHoaXau(hs.Quequan);
return(dal.Insert(hs));
}
else
{
return(-1);
}
}
