public void CretaCoupon(NhaXuatBan nxb, List <ChiTietPhieuNhapSach> listChiTiet)
{
PhieuNhapSach coupon = new PhieuNhapSach();
coupon.NgayNhap = DateTime.Now.Date;
string id = "PNS" + nxb.Id + DateTime.Now.ToBinary().ToString();
coupon.IdNxb = nxb.Id;
coupon.Id = id;
db.PhieuNhapSach.Add(coupon);
db.SaveChanges();
foreach (ChiTietPhieuNhapSach item in listChiTiet)
{
item.IdPhieuNhap = id;
Sach book = sachBL.GetBookById((int)item.IdSach);
book.SoLuong += (int)item.SoLuong;
db.Sach.Update(book);
db.ChiTietPhieuNhapSach.Add(item);
}
db.SaveChanges();
}
