C#中的DataGridView [英] c# DataGridView

问题描述

你好，
我需要捕获选定的索引更改事件和
如果某些条件不合适，请防止更改选定的索引.

当我在SelectionChanged上执行此操作时，可以检查并引发异常
但是尽管有异常但索引已更改
我想阻止我，我需要一个类似SelectionChanging
的事件 而不是SelectionChanged.


谢谢

Hello,
I need to catch selected index change event and
if some condtion is not suitable , prevent changing selected index.

when I do it on SelectionChanged , I can check and throw exception
but index is changed despite of exception
I want to prevent i , I need an event like SelectionChanging
instead of SelectionChanged.


Thanks

推荐答案

当更改选择索引再次订阅此事件并引发异常时，您可以取消订阅SelectionChanged.

You can unsubscribe from SelectionChanged when change selection index subscribe on this event again and throw exception.

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