public HoaDon()
{
MaHD = 0;
NV = new NhanVien();
KH = new KhachHang();
NgayLap = DateTime.Now;
ThanhToan = 0;
TrangThai = 1;
ChiTiet = new ChiTietHD();
}
public HoaDon(int mahd)
{
MaHD = mahd;
if (mahd == 0)
{
NV = new NhanVien();
KH = new KhachHang();
NgayLap = DateTime.Now;
ThanhToan = 0;
TrangThai = 1;
ChiTiet = new ChiTietHD();
return;
}
DataTable dt = HoaDonControl.layDuLieu(mahd);
NV = new NhanVien(Convert.ToInt32(dt.Rows[0]["MaNV"].ToString()));
KH = new KhachHang(Convert.ToInt32(dt.Rows[0]["MaKH"].ToString()));
NgayLap = DateTime.Parse(dt.Rows[0]["NgayLap"].ToString());
ThanhToan = double.Parse(dt.Rows[0]["ThanhToan"].ToString());
TrangThai = Convert.ToInt32(dt.Rows[0]["TrangThai"].ToString());
ChiTiet = new ChiTietHD(mahd);
}