public decimal get_id_trang_thai_lao_dong(decimal ip_dc_id_nhan_vien)
{
CStoredProc v_sp = new CStoredProc("pr_get_id_trang_thai_lao_dong_hien_tai");
v_sp.addDecimalInputParam("@ip_dc_id_nhan_vien", ip_dc_id_nhan_vien);
SqlParameter v_para = v_sp.addDecimalOutputParam("@op_dc_id_trang_thai_hien_tai", 0);
v_sp.ExecuteCommand(this);
return CIPConvert.ToDecimal(v_para.Value.ToString());
}