These methods connect to or open the necessary data source object and retrieve the required data.

这些方法连接到或打开必需的数据源对象，并检索所需的数据。

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Now that we have seen how to get and set the properties on a data object and how to connect them, we need to explain how to create data objects.

我们已介绍了如何获取和设置数据对象的属性及其连接方法，接下来需要说明如何创建数据对象。

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Now that you have implemented a custom converter, you need to connect the object and the converter.

实现了自定义转换程序之后，您需要连接对象和转换程序。

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