how to get text box values dynamically using angularjs

  <div class="form-group" ng-repeat="x in propertynames" ng-init="items">
  <label class="control-label col-lg-2">{{x.name}} :        </label>
  <div class="col-lg-4">
  <input type="text" name="{{x.name}}" class="form-control" required=""ng-model='a'>
  </div>
{{a}}  </div>
<input type="button" on-click="entrybtn()" value="Save" class="btn btn-success form-control">

$scope.propertynames=[];
$http(
{
  method:'GET',
  url:'dataentry'
  headers: 
  {
  'Content-Type': 'application/x-www-form-urlencoded'
  }
  }).success(function(data)
 {
 $scope.propertynames=data;
 });
$scope.entrybtn=function()
{
}