onSearch: function (oEvent) {
            var aFilters = [];
            var sQuery = oEvent.getSource().getValue();
            if (sQuery && sQuery.length > 0) {
                var filter = new Filter("emplLName", sap.ui.model.FilterOperator.Contains, sQuery);
                aFilters.push(filter);
            }

            var oList = this.byId("idEmployeeTable");
            var oBinding = oList.getBinding("items");
            oBinding.filter(aFilters, "Application");
        }