In addition to storing common shopping bag data (product id, product name, price per unit, quantity), it automatically totals an item as well as the entire shopping bag. And yorice per unit, quantity), it automatically totals an item as well as the entire shopping bag. And you don’t have to know anything about XML.
If the properties that are automatically stored for each product are not sufficient for your shopping solution, you can easily store additional properties via calls to item.SetValue(…) and retrieve them again with item.GetValue(…). Guess why it is called the Xtensible Shopping Bag (XSB)! Now I never again have to implement a new shopping bag solution.
The two outstanding features of XSB are: extensibility via custom properties, and scalability because you don’t need to store an object in a Session variable - the XML data is sufficient, which is very small.
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