static void Main(string[] args)
{
Common cm = new Common();
ProductDetail productDetail = new ProductDetail();
productDetail.TenSanPham = cm.enterString("Nhap vao ten cua san pham: ");
productDetail.NgaySanXuat = cm.enterNumberInRange("Nhap vao ngay san xuat (1 - 30): ", 1, 30);
productDetail.ThangSanXuat = cm.enterNumberInRange("Nhap vao thang san xuat(1 - 12): ", 1, 12);
productDetail.NamSanXuat = cm.enterNumberInRange("Nhap vao nam san xuat(1001 - 9999): ", 1001, 9999);
productDetail.HanSuDung = cm.enterNumberInRange("Nhap vao han su dung (tinh theo thang): ", 0, 1000);
productDetail.SoLuongCoTheBan = cm.enterIntNumber("Nhap vao so luong san pham co the ban");
productDetail.SoLuongTonKho = cm.enterIntNumber("Nhap vao so luong san pham ton kho");
productDetail.DonGia = cm.enterDoubleNumber("Nhap vao gia cua san pham");
productDetail.DonViTinh = cm.enterString("Nhap vao don vi tinh cua san pham (cai, chiec, ....)");
productDetail.Print();
cm.exitCosole();
}