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    <p>I'm learning AngularJS and was struggling with selection as well. I know this question is already answered, but I wanted to share some more code nevertheless.</p> <p>In my test I have two listboxes: car makes and car models. The models list is disabled until some make is selected. If selection in makes listbox is later reset (set to 'Select Make') then the models listbox becomes disabled again AND its selection is reset as well (to 'Select Model'). Makes are retrieved as a resource while models are just hard-coded.</p> <h3>Makes JSON:</h3> <pre><code>[ {"code": "0", "name": "Select Make"}, {"code": "1", "name": "Acura"}, {"code": "2", "name": "Audi"} ] </code></pre> <h3>services.js:</h3> <pre><code>angular.module('makeServices', ['ngResource']). factory('Make', function($resource){ return $resource('makes.json', {}, { query: {method:'GET', isArray:true} }); }); </code></pre> <h3>HTML file:</h3> <pre><code>&lt;div ng:controller="MakeModelCtrl"&gt; &lt;div&gt;Make&lt;/div&gt; &lt;select id="makeListBox" ng-model="make.selected" ng-options="make.code as make.name for make in makes" ng-change="makeChanged(make.selected)"&gt; &lt;/select&gt; &lt;div&gt;Model&lt;/div&gt; &lt;select id="modelListBox" ng-disabled="makeNotSelected" ng-model="model.selected" ng-options="model.code as model.name for model in models"&gt; &lt;/select&gt; &lt;/div&gt; </code></pre> <h3>controllers.js:</h3> <pre><code>function MakeModelCtrl($scope) { $scope.makeNotSelected = true; $scope.make = {selected: "0"}; $scope.makes = Make.query({}, function (makes) { $scope.make = {selected: makes[0].code}; }); $scope.makeChanged = function(selectedMakeCode) { $scope.makeNotSelected = !selectedMakeCode; if ($scope.makeNotSelected) { $scope.model = {selected: "0"}; } }; $scope.models = [ {code:"0", name:"Select Model"}, {code:"1", name:"Model1"}, {code:"2", name:"Model2"} ]; $scope.model = {selected: "0"}; } </code></pre>
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    1. POWorking with select using AngularJS's ng-options
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    1. CODear random user. While this question and it's answer are rather simple and uncomplicated, your organization of code into its proper and respective locations (controller, service, template, data) shows the elegance of AngularJS in it's simplest and default form. Awesome example.
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