Customize a checklist of the input validation, which contains validation to integer, float, text, date, etc. (See Figure 11.)

制定一个输入确认的清单，它包括对精确数值、浮标、文本、数据等的确认(请看图11)。

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This event also contains a data validation check to see whether or not the selected date is prior to the current date.

该事件还包含一个数据合法性检查，以判断所选日期是否在当前日期之前。

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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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