public Tuple <long, Software, int, int, int> CanDeleteSoftware(long productID)
{
Software software = FindById(productID);
//Check qty of ProductSuppliers per specific Software (product)!
int qtyProductSupplier = repositoryProductSupplier.QtyProductSupplierPerProduct(productID);
//Check qty of ProductDetails per specific Software (product)!
int qtyProductDetail = repositoryProductDetail.QtyProductDetailPerProduct(productID);
//Check qty of PurchaseItems per specific Software (product)!
int qtyPurchaseItem = repositoryPurchaseItem.QtyPurchaseItemPerProduct(productID);
return(new Tuple <long, Software, int, int, int>(productID, software, qtyProductSupplier, qtyProductDetail, qtyPurchaseItem));
}