public static bool IsSanPham(List <LuongSanPham> lstLuongSanPham, SanPham sanPham) { LuongSanPham lSanPham = lstLuongSanPham.FirstOrDefault(x => x.SanPham.SanPhamID == sanPham.SanPhamID); if (lSanPham == null) { return(false); } lSanPham.SoLuong = lSanPham.SoLuong + 1; return(true); }
public void Add(SanPham sanPham) { if (sanPham == null) { return; } if (!LuongSanPham.IsSanPham(this.Gio, sanPham)) { this.Gio.Add(new LuongSanPham(1, sanPham)); } TinhTong(); }