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();
}
