orderBy multiple fields in Angular
Please see this:
http://jsfiddle.net/JSWorld/Hp4W7/32/
<div ng-repeat="division in divisions | orderBy:['group','sub']">{{division.group}}-{{division.sub}}</div>
If you wants to sort on mulitple fields inside controller use this
$filter('orderBy')($scope.property_list, ['firstProp', 'secondProp']);
<select ng-model="divs" ng-options="(d.group+' - '+d.sub) for d in divisions | orderBy:['group','sub']" />User array instead of multiple orderBY