如果在输入不正确的情况下回滚gridview中的更改 [英] How to roll back changes in gridview in case of incorrect input

问题描述

我有一个绑定到对象的列表一个DataGridView。它有一些列，用户可以编辑。但是也有一些不允许一行作为一个整体一定的投入。我怎么可以回滚，如果用户在某些单元格输入无效投入。
我尝试使用RowValidating事件处理程序，但后单元格值已更改它不叫。甚至当我implemet CellValueChanged，我仍然无法回滚所做的更改。
...
不知道如何做到这一点。

I have a DataGridView that is bound to a list of object. It has some columns that the user can edit. There are certain inputs that are not allowed for a row as a whole. How can I roll back if the user enters invalid inputs in some cell. I tried using the RowValidating event handler but it was not called after cell value has been changed. Even when I implemet CellValueChanged, I still cannot roll back the changes. ... Any idea how to accomplish this

推荐答案

在数据绑定存在，对我来说它的工作原理搭配：

When databinding exists, for me it works with:

myBindingSource.CancelEdit();
myDataGridView.RefreshEdit();

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