var oItemsData = {

  items: [

    { key: "American", text: "American"},

    { key: "Hopkins", text: "Hopkins" },

    { key: "Horner", text: "Horner" },

    { key: "Thornton", text: "Thornton" },

    { key: "Walters", text: "Walters" }

  ]

};

​

var oValueData = {

  selected: "Horner"

};

​

var oItemsModel = new sap.ui.model.json.JSONModel(oItemsData);

var oValueModel = new sap.ui.model.json.JSONModel(oValueData);

​

sap.ui.getCore().setModel(oItemsModel, "items");

sap.ui.getCore().setModel(oValueModel, "values");

​

​

var oDropDown = new sap.ui.commons.DropdownBox({

  items: { 

    path: "items>/items",

    template: new sap.ui.core.ListItem({

      key: { path: "items>key" },

      text: { path: "items>text" }

    }) 

  },

  selectedKey: { path: "values>/selected"}

});

​

​

​

oDropDown.placeAt("content");