public bool ThemNhapSach(Sach sach)
{
sach.MaSach = objSach.GetMaSach(sach.TenSach, sach.TenTacGia).Rows[0]["masach"].ToString();
string ngaynhap = DateTime.Today.Month.ToString() + "/" + DateTime.Today.Day.ToString() + "/" + DateTime.Today.Year.ToString();
if (objSach.KiemTraNhapSach(ngaynhap, sach.MaSach) == true)
{
return(objSach.InsertNhapSach(sach));
}
else
{
return(objSach.CapNhatNhapSach(sach));
}
}