它还提供了一个工具栏按钮，必要时可以强制JVM执行垃圾收集。

It also provides a toolbar button to force the JVM to perform garbage collection when desired.

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如果你要强制页面刷新甚至是点击后台按钮的时候那就设置cache - Control： no - cache no - store。

If you want to force a page to be reloaded, even with the Back button, then use Cache-Control: no-cache, no-store.

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转到属性视图，然后选中强制该组件Show only error message not associated with a specific component的单选按钮。

Go to the attributes view and select the radio button that forces the component to Show only error message not associated with a specific component.

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