private void us_to_form()
{
m_sle_nhan_vien.EditValue = m_us.dcID_NHAN_VIEN;
m_sle_phu_cap.EditValue = m_us.dcID_PHU_CAP;
m_txt_thang.Text = m_us.dcTHANG_AP_DUNG.ToString();
m_txt_nam.Text = m_us.dcNAM_AP_DUNG.ToString();
m_chk_hieu_luc.Checked = m_us.strDA_XOA == "N" ? true : false;
}