private void load_data_2_sle_ma_lcd()
{
m_sle_ma_lcd.Properties.DataSource = load_data_2_cm_dm_tu_dien(CONST_ID_LOAI_TU_DIEN.MA_LCD).CM_DM_TU_DIEN;
m_sle_ma_lcd.Properties.ValueMember = CM_DM_TU_DIEN.ID;
m_sle_ma_lcd.Properties.DisplayMember = CM_DM_TU_DIEN.TEN;
}