q_required.html

php+mysql做的调查问卷管理系统php+mysql做的调查问卷管理系统

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If the <B>Required?</B> field is set to Yes, the user completing the survey will be forced to supply a valid answer for this question before they can move on to the next page or submit the survey.  If you wish to make a certain question optional, simply set the <B>Required?</B> field for that survey to No.
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