C#, Get latest selected value from one of two ListBoxes

Hi I have six ListBoxes with names from different sources. Now I would like to get the name of the selected item in the most recently selected ListBox. How do I do that? I can't simply use ListBox.S开发者_如何学编程electedItem because I don't know what ListBox I want to get my information from.

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I'm assuming you are responding to the event. If so, the sender object should be the listbox that fired the event.

ListBox lb = (ListBox)sender;
var item = lb.SelectedItem;

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Each ListBox will have its own SelectedIndexChanged event, from there you'll know which ListBox it was which fired the event and then be able to use your SelectedItem property

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Make sure you have autopostback="true" set on each ListBox then the page will postback as soon as a name is selected, and you can use the sender object in the event handler to find out which ListBox was used.