查询函数能够处理标准化数据库事务，以便创建、读取、更新和删除数据(通称CRUD操作)。

The querying functions are capable of coping with the standard database transactions for creating, reading, updating, and deleting data (known as CRUD operations).

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显示更新面板的最后一步是处理服务器响应，这将通过dialogname_onserverresponse函数来完成。

The final step in showing the update panel is to handle the server response, which is done by the dialogName_onServerResponse function.

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名为addtocart的onclick处理函数负责通过Ajax调用来更新购物车的状态(请参阅清单1)。

The onclick handler function named addToCart is responsible for updating the state of the cart through an Ajax call (see Listing 1).

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