Shopping cart
A shopping cart is an e-commerce component or system representation that holds items selected for potential purchase, often with their quantities, before checkout.
Pro ASP.NET Core 7, Tenth Edition
A shopping cart is an online-store component or model that holds products selected by a customer and their quantities for purchase.
- How it is used
- Connects catalog selections to a customer-visible total and the path toward checkout.
- How deep it goes
- Builds the model, session-backed handling, Razor Page, removal handler, and unit tests; defers payment processing.
- Examples
- Tests line merging, removal, clearing, and a 450 total; shows Add To Cart and Remove controls.
- What you can do after
- Build it from scratch as a session-backed ASP.NET Core cart with product lines, totals, a Razor Page, and removal.
Read how Pro ASP.NET Core 7, Tenth Edition explains shopping cart →
Grokking Simplicity
A collection associated with an online purchase that holds selected items and their quantities before checkout.
- How it is used
- Aligns e-commerce actions with a cart data structure and reconstructs cart state from logged additions.
- How deep it goes
- Explains cart updates and reconstruction procedurally, while deferring deeper copying details to later treatment.
- Examples
- Uses shipping-icon logic, item-addition logs, duplicate products, quantities, prices, and cart-building callbacks.
- What you can do after
- Build it from scratch by reducing item logs into a cart and applying reusable, nonmutating item updates.
Related concepts
- Razor Pagesused by · Razor Pages is an ASP.NET Core page-focused programming model in which independently addressable pages combine Razor markup with request-handling logic.
- sessionused by · A session is a bounded interaction context associated with a user, client, or process that may maintain state across related operations or requests.
- business goalused by · A business goal is a desired organizational outcome that guides decisions, priorities, or resource allocation.
- handlerused by · A handler is a callable or software component that processes an event, request, message, or other input and performs associated processing.
- serviceused by · A service is an application component that provides defined capabilities to other components through an interface.
- AddScopedconfigured by · AddScoped is a .NET dependency-injection registration method that assigns a service a scoped lifetime, creating one instance per lifetime scope.
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