public SachModel(Sach sach)
{
MaSach = sach.MaSach;
TenSach = sach.TenSach;
NamXuatBan = sach.NamXuatBan.ToString("dd/MM/yyyy");
SoTrang = sach.SoTrang;
TongSoSach = sach.TongSoSach;
LuongDaMuon = sach.LuongDaMuon;
NhaXB nxb = sach.NhaXB;
TheLoai tl = sach.TheLoai;
TacGia tg = sach.TacGia;
TenTheLoai = tl.TenTheLoai;
TenTacGia = tg.TenTacGia;
TenNhaXB = nxb.TenNhaXB;
}
public NhaXuatBanModel(NhaXB nhaxb)
{
MaNXB = nhaxb.MaNXB;
TenNhaXB = nhaxb.TenNhaXB;
}