当无法加载或验证视图状态时引发的异常。

The exception that is thrown when the view state cannot be loaded or validated.

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在页生命周期的此阶段中，已声明控件和在初始化阶段创建的控件的视图状态信息和回发数据都被加载到页的控件中。

At this stage in the page's life cycle, view-state information and postback data for declared controls and controls created during the initialization stage are loaded into the page's controls.

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