angularjs - Angular hide left from specific page -


my button code 

<button class="button button-icon button-clear ion-navicon"          ng-click="showmenu()" ng-hide="showleftmenu"></button>

navigation controller

.controller('navctrl', ['$http',function($scope, $ionicsidemenudelegate) {   $scope.showmenu = function () {     $ionicsidemenudelegate.toggleleft();   };   $scope.showrightmenu = function () {     $ionicsidemenudelegate.toggleright();   };     $scope.showleftmenu = false; }])

i want hide left nav controller. when goes specific tabs contact us. 

 .controller('contacttabctrl', function($scope) {     $scope.showleftmenu = true;      });

i tried main controller

.controller('mainctrl', function($scope) {     $scope.showleftmenu = true;      })

when goes contact page, still left menu values taken main controller not contact controller

thanks all

if 'mainctrl' parent controller, in child controllers try using :

$scope.$parent.showleftmenu = false;

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