Then click in the Validation Text box and type Date entered must be today or earlier.

然后在“有效性文本”框中单击，并键入输入的日期必须为今天或更早的日期。

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When you use one of those tools, the controls on the form inherit the underlying table properties, including any validation rules and validation text.

在使用其中某个工具时，窗体上的控件继承基础表属性，其中包括所有有效性规则和有效性文本。

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Text editors will require an external tool to perform actual validation.

文本编辑器需要一个外部工具来执行实际的确认。

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On Labor Day weekend Winfrey found validation in the unlikely form of nerve-wracked text messages from her valedictorian.

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