呼叫出ListBox多選值

  Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
        For i = 0 To ListBox1.Items.Count - 1
            If ListBox1.Items(i).Selected = True Then
                Response.Write(ListBox1.Items(i).Text & "<br>")
            End If
        Next    End Sub