本文介绍了确定ATTACHMENT字段是否为空的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我在该表单上有1个TABLE和1个FORM,大约有30个PAGES(选项卡)。其中一个选项卡式PAGES仅包含一个ATTACHMENT字段。对于任何选定的记录,我将所有标签都显示为数据,否则保持隐藏状态。这是通过在每个选项卡式PAGE中的文本框上检查NULL来完成的。用于此的表达式很好,但该表达式不适用于ATTACHMENT字段。任何人都有一个简洁,优雅的解决方案?谢谢


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I have 1 TABLE and 1 FORM with about 30 PAGES (tabbed) on that form. One of the tabbed PAGES contains only an ATTACHMENT field. For any selected record, I make all tabs THAT HAVE DATA visible, otherwise the remain hidden. This is done by checking for NULL on a text box within each tabbed PAGE. The expression used for that are fine, but that expression does not work for ATTACHMENT fields. Anyone have an concise, elegant solution? Thanks

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08-20 11:43
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