GridView and Data Source controls.

GridView和数据源控件。

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To use the data source controls you must have a data-bound control to bind them to.

要使用数据源控件，必须具有一个用来将它们绑定到的数据绑定控件。

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Jailbreaking allows applications not approved by Apple to be downloaded from any source, and it removes the security controls which prevent access to data on the device by unauthorized people and applications.

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