html
<input id="cAllBtn" type="checkbox" ng-model="checkAll" />
<div ng-repeat="u in $ctrl.usersList" >
<input type="checkbox" ng-checked="checkAll" ng-model="u.selected" />
</div>
relevent part in ctrl
usersList = [selected:false,selected:false]
when i click cAllBtn
all cbxs in ng-repeat are marked but array not updating
what to do?