List View in C# -

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I have a ListView in my C # and I want to select an item based on the number I give . Is it possible?

Example: If my list adds, multiplied and divides as elements in the list, so if I give 2, then it has to be multiplied. All this should be programmatically

If this is ListItem value 2 - I just had to go with it:

_listView.SelectedValue = "2";

Or maybe more correct: 

  _listView.SelectedValue = _input.ToString ();

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