var oComboBox = this.getView().byId("locationType_id_combo");
oComboBox.bindItems("/LocationType", new sap.ui.core.ListItem({key: "{id}", text:"{name}"}));

var oComboBox = this.getView().byId("eventDay_id_combo");
var templateCombo = new sap.ui.core.ListItem({key: "{id}", text:"{title}"});



var oSorter = new Sorter({
	path : "eventDate",
	descending : true,
	group : false
});


var oFilterComboBox = new sap.ui.model.Filter({
	     path: "event_id",
	     operator: sap.ui.model.FilterOperator.EQ,
	     value1: this.idData
});	

var oFilterComboBoxTwo = new sap.ui.model.Filter({
	     path: "deletionUserId",
	     operator: sap.ui.model.FilterOperator.EQ,
	     value1: null
});	
	

oComboBox.bindItems({
		path: "/EventDay",
		template: templateCombo,
		filters: [oFilterComboBox, oFilterComboBoxTwo],
		sorter: oSorter
});

oComboBox.setValue("Select your option")
oComboBox.setSelectedKey("id");