public void display_for_insert_ct(decimal ip_dc_phong_ban)
{
Text = "THÊM MỚI CÔNG TÁC CHO NHÂN VIÊN";
m_sle_chon_don_vi.EditValue = ip_dc_phong_ban;
m_sle_chon_don_vi.ReadOnly = true;
m_sle_chon_loai_cong_tac.EditValue = CONST_ID_LOAI_CONG_TAC.CHINH_THUC;
m_sle_chon_loai_cong_tac.ReadOnly = true;
load_data_2_sle_nhan_vien(load_danh_sach_nhan_vien_chua_co_cong_tac());
ShowDialog();
}