Set the data-bound control as needed to allow updateability.
根据需要设置数据绑定控件以允许更新。
It does this by setting the internal initialized state of the data-bound control.
它会设定资料系结控制项的内部初始化状态来完成此工作。
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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