odatamodel-read.txt

				this.getModel().read("/EsRequisitionSet('" + sObjectId + "')", {
					urlParameters: {
						"$expand": "EtRequisitionItemSet/EtRequisitionAccountSetFromItem"
					},
					success: function(oData, oResponse) {
						oViewModel.getData().doc = oData;
						oViewModel.refresh(true);
						oViewModel.setProperty("/busy", false);
					}.bind(this),
					error: function(oResponse) {
						oViewModel.setProperty("/busy", false);
					}
				});

aItmkeyFilter.push(new Filter("Itmkey", FilterOperator.EQ, sItmkey));
this.getModel().read("/EtContractDataSet", {
						filters: aItmkeyFilter,
						urlParameters: {
							"$expand": "EtContractDataAccSet"
						},
						success: function(oData, oResponse) {

							sap.ui.core.BusyIndicator.hide();
						}.bind(this),
						error: function(oResponse) {
							sap.ui.core.BusyIndicator.hide();
						}
					});