After capturing the SelectedIndexChanged event for a ListBox control, you find that the event handler doesn’t execute. What could the problem be ?

technology programming languages

  1. The AutoEventWireup attribute is set to False

  2. The AutomaticPostBack attribute is set to False

  3. The codebehind module is not properly compiled

  4. The ListBox must be defined WithEvents

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Correct Option: B

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