angularjs - select in ng-option does not update -

i have list of data coming backend , want update select value in view not happening reason.

i tried ng-selected not works efficiently, sometime model update spmetimes not.

here code, can help?

    <div class="listitem" ng-repeat="d in data">         {{d.name}}:          <select              ng-model="d.option"                              ng-options="d.name d in options"></select>     </div> 

controller

var myapp = angular.module('myapp', []); myapp.controller("somecontroller", function($scope) {     $scope.options = [{         "id": "id1",         "name": "p1"     }, {         "id": "id2",         "name": "p2"     }];     $scope.data = [{         "name": "data1",         "option": {             "id": "id1",             "name": "p1"         }     }]; }); 

http://jsfiddle.net/gfczv/58/

you need use select label group group value in array track trackexpr, read docs

ng-options="option.name option in options track option.id" 

demo, note not work in angualrjs 1.1