onInit: function() {
            var sServiceUrl = this.getOwnerComponent().getMetadata().getManifestEntry("sap.app").dataSources["zdemo_app"].uri;
            var OdataModel = new sap.ui.model.odata.v2.ODataModel(sServiceUrl);
            var oModel = new sap.ui.model.json.JSONModel();
            var sPath = "/PersonSet";

            OdataModel.read(sPath, {
                success: function(oData, response) {
                    oModel.setData(oData);
                }
            });
            this.getView().setModel(oModel, "person");
        }