For all data-aware controls, you need to make sure that their DataSource property is connected to the TDataSource component.

对于所有的数据感知控件，您需要确保将其DataSource属性连接到TDataSource组件上。

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As an example, the second page of the PageControl can contain a TDBGrid control with the DataSource property pointing to the TDataSource component, as shown in the screenshot below.

作为示例，PageControl的第二个页面可以包含附带指向TDataSource组件的datasource属性的TDBGrid控件，如下方截屏所示。

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