private decimal find_id_gd_nv_loai_ld(decimal ip_dc_id_nv)
{
US_GD_LOAI_LAO_DONG v_us = new US_GD_LOAI_LAO_DONG();
DS_GD_LOAI_LAO_DONG v_ds = new DS_GD_LOAI_LAO_DONG();
v_us.FillDataset(v_ds);
string v_str_filter = "ID_NHAN_VIEN = " + ip_dc_id_nv;
DataRow[] v_dr = v_ds.GD_LOAI_LAO_DONG.Select(v_str_filter);
if (v_dr.Count() == 0)
{
return 0; // m_id_gd_loai_ld = 0 tuc la trong bang GD_LOAI_LAO_DONG chua co nhan vien nay
}
else return 1; // m_id_gd_loai_ld = 1 tuc la trong bang GD_LOAI_LAO_DONG da co nhan vien nay
}