private NZDecimal GetOnHandQty() { NZDecimal dOnHandQty = new NZDecimal(); try { IssueByItemUIDM uidm = dmcIssueByItem.SaveData(new IssueByItemUIDM()); if (uidm.ITEM_CD.IsNull || uidm.FROM_LOC_CD.IsNull) { return(new NZDecimal()); } IssueConsumptionController ctlIssue = new IssueConsumptionController(); dOnHandQty = ctlIssue.GetOnHandQty(uidm); if (dOnHandQty.IsNull) { return(new NZDecimal()); } return(dOnHandQty); } catch (Exception ex) { MessageDialog.ShowBusiness(this, ex.Message); } return(new NZDecimal()); }