Unable to bind value to ng-model for select options in an event
<p><strong>HTML</strong></p>

<pre><code>  &lt;select class="form-control"
          ng-model="campaign.CampaignTypeId"
          ng-options="CampType.id as CampType.name for 
         CampType in CampaignTypeIds track by CampType.id" &gt;
      &lt;option value=""&gt;Select campaign type&lt;/option&gt;
  &lt;/select&gt;
</code></pre>

<p><strong>JavaScript</strong></p>

<pre><code> $scope.CampaignTypeIds = [{ id: "1", name: "Location" }, { id: "2", name: "Brand" }];

 $scope.getSingleCampaignResponse = function (response) {//http get method gets the resposne
    $scope.campaign= response
}
</code></pre>

<p>In an event I am getting campaign object as a response and that object has   <strong>CampaignTypeId:1</strong>, but I cloud not able to bind <strong>CampaignTypeId</strong> to ng-model for select option</p>