public bool IsOnSale()
{
if (onSale == null)
{
SqlStoredProcedures sqlSP = new SqlStoredProcedures();
onSale = sqlSP.StoreGetOnSalePrice(GetProductID()) != null;
}
return((bool)onSale);
}
public decimal?GetOnSalePrice()
{
if (IsOnSale())
{
if (onSalePrice == null)
{
SqlStoredProcedures sqlSP = new SqlStoredProcedures();
onSalePrice = sqlSP.StoreGetOnSalePrice(GetProductID());
}
return((decimal)onSalePrice);
}
else
{
return(null);
}
}