如何在C＃中从BindingSource获取旧值和新值

Question

I want to know how to use BindingSource to get the old and new value from a GUI form. I'm Using BindingSource in my C# and now I want to fire updateLog SP.

So how do I know what field has been update, its new new value and its old value?

Answer 1

You can try to watch the ListChanged event of the BindingSource. The associated event handler takes a parameter, named ListChangedEventArgs that contains OldIndex and NewIndex properties that you may use