Add your code to the dataset's partial class file.
向数据集的分部类文件中添加代码。
A partial method is usually defined in a partial class file and is optionally implemented in the regular class file.
分部方法通常被定义在一个分部类中，在常规的类文件中也可实现。
In addition, when you use partial classes, a mapping model is used to direct each definition of the partial class into a file based on your requirements.
另外，当您使用局部类型时，应用映射模式基于您的需要，可以指导局部类型的每个定义成为一篇文档。
In your application, create a file in which you create the data-model partial class that you want to modify.
在您的应用程序中，建立一个您要在其中建立要修改之资料模型部分类别的档案。
This partial class enables your code-behind file to be used as part of a complete class without requiring you to declare the controls explicitly.
使用此分部类，您可以将代码隐藏文件用作完整类的一部分，而无需显式声明控件。
This partial class enables your code-behind file to be used as part of a complete class without requiring you to declare the controls explicitly.
使用此分部类，您可以将代码隐藏文件用作完整类的一部分，而无需显式声明控件。
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