kendo-ui+typeScript dataSourc 點擊事件同時取值

 const useOrgSource = DataSourceFactory.createBaseFrontNoRoot('/api/table/combolist/laborProj/labUseOrg');

 useOrgSource.bind('change', (elem: kendo.data.Model) => {
            let laa = useOrgSource.view();
            let uleg = laa.length - 1;
            let udata = laa[uleg].get("orgclass");
            let suppCode = laa[uleg].get("supplyCode");
            console.log(udata);
            if (udata == "供應商") {
                queryForm.set("supplierCode", suppCode);
            }
        });