private void form_2_us_obj(US_DM_THUE ip_us)
{
ip_us.dcCHAN_DUOI = CIPConvert.ToDecimal(m_txt_chan_duoi.Text.Trim());
ip_us.dcCHAN_TREN = CIPConvert.ToDecimal(m_txt_chan_tren.Text.Trim());
ip_us.dcTI_LE = CIPConvert.ToDecimal(m_txt_ti_le.Text.Trim()) / 100;
ip_us.dcBU_TRU = 0 - CIPConvert.ToDecimal(m_txt_bu_tru.Text.Trim());
}