You must be careful about correlating the rows of the grid to any type of model data outside the grid, because the rows in a grid can be reordered at any time (for example, using a sort action).

在将网格的行与网格外任何类型的模型数据相关联的时候，必须要格外小心，因为网格内的行在任何时候都可被重新排序(例如，使用sort动作)。

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After the sorting action, the items were different, but the tree grid would still try to open the expando function of the fourth row.

排序之后，条目有所不同，但是属性网格仍然想要打开第4行的expando功能。

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Deploying and running the sample with an in-process grid is the easiest way to see these concepts in action.

使用一个进程内网格来部署和运行这个样例是查看这些概念的实际应用的最简单的方法。

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An AP1000 is designed to continue cooling, without grid power or operator action.

WSJ: NRC Approves Toshiba Reactor Design

And the White House has been urging Congress to authorize greater government action to protect infrastructure such as the nation's electric grid and power plants.

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