this.headerParentVO = headerParentVO;
this.parentVO = parentVO;
if (parentVO!=null) {
discountDataLocator.getLookupFrameParams().put(ApplicationConsts.SALE_DOC_ROW_VO,parentVO);
discountDataLocator.getLookupValidationParameters().put(ApplicationConsts.SALE_DOC_ROW_VO,parentVO);
grid.getOtherGridParams().put(ApplicationConsts.SALE_DOC_ROW_PK,new SaleDocRowPK(
parentVO.getCompanyCodeSys01DOC02(),
parentVO.getDocTypeDOC02(),
parentVO.getDocYearDOC02(),
parentVO.getDocNumberDOC02(),
parentVO.getItemCodeItm01DOC02(),