c# - Is there a way to allow a list of specific values for a cell in a DataTable only?

Question

I wonder if there is a good way to allow a list of speccific values for a cell in a DataTable and block the rest? Couldn't find something online.

Thank you.

score 0 · Accepted Answer

一种方法是监听 DataTable 的 RowChanging 事件。在那里，您可以检查您的有限 DataColumn 是否是修改过的，如果需要，拒绝更改。请参阅http://msdn.microsoft.com/en-us/library/system.data.datatable.rowchang

score 0 · Accepted Answer

不太清楚你的意思。但是您可以使用验证：

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