public ObservableProduct()
{
UPC = String.Empty;
CategoryListID = 0;
BrandID = 0;
Name = String.Empty;
Description = String.Empty;
StoreCost = 0;
SellingPrice = 0;
MinOnHand = 0;
OnHand = 0;
HasDeposit = false;
IsTaxable = false;
MinimumAge = 0;
ProductState = State.New;
}