vendredi 3 juin 2016

How to automatically load/refresh view data after delete in AngularJS?

I am working on a Web Application using Laravel as backend API and AngularJS for frontend. I have successfully fetched the data from Laravel API and displayed it via AngularJS ng-repeat. Now i want a delete button for each record which is displayed in the table. When a user click that delete button it should delete the clicked record.

I did the following try which is working perfectly.But the problem occurs when i click delete button it deletes record from database but it is not refreshing the records list , instead of refreshing it just shows the headers titles of table and nothing else. When i manually refresh it from browser then it displays back the records list. I want to load the list automatically after the record is deleted.

Console Error : Console Error: DELETE http://localhost/ngresulty/public/api/result/50?id=50 500 (Internal Server Error)

Before Delete ( List ):

All records list After delete Scene:

When I press delete , the record is deleted from database but list looks like this

MainCtrl.js

$scope.deleteResult = function(id) {
        $scope.loading = true; 

        Result.destroy(id)
                .success(function(data) {
                    // if successful, we'll need to refresh the comment list
                  Result.get()
                        .success(function(data) {
                            $scope.students = data;
                            $scope.loading = false;
                        });


                });
};

MyAppService.js

angular.module('myAppService', [])

    .factory('Result', function($http) {
        return {
            get : function() {
                return $http.get('api/result');
            },
            show : function(id) {
                return $http.get('api/result/' + id);
            },
            save : function(resultData) {
                return $http({
                    method: 'POST',
                    url: 'api/result',
                    headers: { 'Content-Type' : 'application/x-www-form-urlencoded' },
                    data: $.param(resultData)
                });
            },
            destroy : function(id) {
                return $http.delete('api/result/' + id,{params: {id}});
            }
        }

});

App.js

var myApp = angular.module('myApp', ['mainCtrl', 'myAppService']);

Results View :

<table class="table table-striped">
                            <thead>
                              <tr>
                                <th>Roll No</th>
                                <th>Student Name</th>
                                <th>Father Name</th>
                                <th>Obtained Marks</th>
                                <th>Total Marks</th>
                                <th>Percentage</th>
                                <th>Delete</th>
                              </tr>
                            </thead>
                            <tbody ng-hide="loading" ng-repeat="student in students | filter:searchText">
                                  <tr> 
                                    <td>@</td>
                                    <td>@</td>
                                    <td>@</td>
                                    <td>@</td>
                                    <td>@</td>
                                    <td>@</td>
                                    <td>
                                        <a href="#" ng-click="deleteResult(student.id)" class="text-muted btn-danger btn-lg">Delete</a></p>
                                    </td>

                                  </tr>
                             </tbody>
</table>

What I tried but not working :

 $scope.deleteResult = function(id) {
        $scope.loading = true; 

        Result.destroy(id)
            .success(function(data) {

                // do something with data if you want to
                $scope.students.splice(id, 1);

            });
    };



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