private void button_code_search_Click(object sender, EventArgs e) { listBox_lv3.Items.Clear(); listBox_lv2.Items.Clear(); listBox_lv1.ClearSelected(); textBox_search_keywords.Clear(); consMgr.setAPLv3ByCodeSearch(listBox_lv3, textBox_search_code.Text.Trim().Replace(" ", "").Replace(" ", "").Replace(",", ",")); }