app.directive("dir", function($compile, $sce){
      return{
        restrict: "E",
        link: function(scope, element, attr){
          scope.$watch('content',function(){
            var html = $sce.trustAsHtml(attr.content);
            scope.alabala = $compile(html)(scope);
          },true);
        },
        template: "<div ng-bind-html='alabala'></div>",
      }
    });

function MainController($scope, $http, customService, $location, $sce, $compile){
    $scope.init = function(){
        customService.get().success(function(data) {
                 var html = $sce.trustAsHtml(data);
                $("#dir").attr("content", data);

            });
    };
}

<div id="div" ng-controller="MainController" class="pull-right span3" ng-init="init()">
      <dir id="dir" ></dir>
</div>

<button ng-click='click()'>Click me</button>

<dir id="dir" content="myVal"></dir>

$scope.myVal = '<button ng-click='buttonClick()'>I'm button</button>'; // HTML as string

myApp.directive('dir', function($compile, $parse) {
    return {
      restrict: 'E',
      link: function(scope, element, attr) {
        scope.$watch(attr.content, function() {
          element.html($parse(attr.content)(scope));
          $compile(element.contents())(scope);
        }, true);
      }
    }
  })

var App = angular.module('FormApp', [ 'ngRoute','ui.bootstrap', 'dialogs', 'oc.modal' ]);

App.config([ '$routeProvider', function($routeProvider) {
    $routeProvider.when('/addClient', {
        templateUrl : '../../resources/partialHtml/addClientLayout.html',
        controller : FormController
    }).when('/conflist/:commandName/:client/:env', {
        templateUrl : '../../resources/partialHtml/testPrase.html',
        controller : TestParseController
    }).when('/addNewCommand', {
        templateUrl : '../../resources/partialHtml/addNewCommand.html',
        controller : AddNewCommandController
    })
} ]);

var TestParseController = function($scope, $window, $http, $routeParams, $sce,
        $compile) {

    $scope.hide = function(obj) {
        alert($routeParams.commandName);
    };

    $scope.to_trusted1 = function(html_code) {
        html_code = $sce.trustAsHtml(html_code);
        $scope.content = html_code;
        alert(html_code);
        $compile( document.getElementById('innerh'))($scope);
    };

    $http.get('client/getConfList/' + $routeParams.commandName)
    .success(
            function(data) {
            $scope.html_content = "<button data-ng-click='hide($event)'>Click me!</button>";
            $scope.to_trusted1($scope.html_content);
                });
}

<h3 data-ng-click="hide($event)" class="plus">Add</h3>

<div ng-bind-html="content" id="innerh">    </div>