Not reload the page in Ng-Click

Vishal Patel your code is not working. cannot understand your code. Help on this ? 

1. var myApp = angular.module('my-app', []);  
2.   
3. myApp.controller('myFormController', function($scope, $http) {  
4. $event.preventDefault(); // will stop page reload  
5. $scope.dataForm = {};  
6.   
7. $scope.submit = function() {  
8. // Ajax  
9. };  
10. });