

I have a SAPUI5 page developed in view.js and controller.js with having mutliple combobox controls in the SPAUI5 page.
Can anyone suggest,on how to get data for that particular combobox using odata model,i don't want any JSON included in between and i don't want to use view.xml in SAPUI5.
I have tired the way,but if i maintain the KEY and Text field values as blank,the i am getting list as [object Object] or else if fill any values in the KEY and Text field,i am getting the combo box as empty list as shown in the attached image,whereas here the count of empty list is same as columns in the Tables.
View.js:
var oComboBox_FunArea = new sap.m.ComboBox({ items:{ path: "/EntitySet_Name", template : new sap.ui.core.Item({ key:'{Table_Field_column_name}', text:'{value of the field}' }) };
Controller.js:
var sServiceUrl = ("proxy/http/____________:8000/sap/opu/odata/SAP/YREQSUB_SRV/");
var oModel = new sap.ui.model.odata.ODataModel(sServiceUrl,true);
this.getView().setModel(oModel);
sap.ui.getCore().setModel(oModel);
Can you please advise me,what does the KEY field in sap.core.item exactly required for and can i
maintain the same values in KEY and Text fields.
Please help me soon !!