禁用导航按钮 [英] Disable navigation button
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问题描述
我使用向导创建了一个表单并添加了导航按钮。
当焦点在第一个记录上时,我想要上一个记录按钮。禁用。
所以在Click事件的代码中我想写的东西如下:
I have made a form and added navigation buttons using the wizard.
When the focus is on the first Record, I want the "Previous Record Button" to disable.
So in the code in Click event I want to write something like:
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推荐答案
你好 -
如果这是一个绑定表单,你可以尝试将它放在表格的On Current事件中:
Hi -
If this is a bound form, you could try putting this in the On Current event for the form:
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之前我遇到过这种逻辑问题,我必须承认我从来没有得到了核心。我忘记了在哪种情况下我找到了.BOF& .EOF不可靠,但它们是我先试过的。
I have had problems with this logic before, which I must admit I never really got to the heart of. I forget under which circumstances I found .BOF & .EOF to be unreliable, but they were what I tried first.
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我已成功使用.BOF和.EOF在各种情况下;然而,在查看我昨天写的内容时,我不认为放置代码
I have successfully used .BOF and .EOF in various contexts before; however in looking at what I wrote yesterday I don''t think putting the code
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