查询实体、关联和与控件的数据绑定。

Query entities, association, and data binding with controls.

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像实体、屏幕、控件、样式以及web服务等语言特性并不针对一般目的——它们都是针对特定领域的。

Language features like entities, screens, controls, styles and web services are not general purpose — they are domain specific.

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不过，您仍然能够通过添加基于实体数据模型的新对象数据源，然后将这些对象拖到设计器来创建数据绑定控件。

However, you can still create data-bound controls by adding a new object data source that is based on the Entity data Model, and then dragging those objects to the designer.

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