若要确保您的资料来源和系结控制项永远有最新的资料，您必须为资料系结加入变更告知。

To ensure that your data source and bound controls always have the most recent data, you must add change notification for data binding.

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资料来源视窗拖曳其他资料表时，使用者必须手动加入程序码，将这些资料表中的变更储存至资料库。

Data Sources window, users had to manually add the code to save changes in those tables to the database.

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此外，可以直接在该元件上加入资料，因此它本身的功用就如同资料来源。

Additionally, you can add data directly to it, so that the component itself functions as a data source.

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