mysql - How to fix this message ?Severity: Notice --> Undefined property: stdClass:: -


enter image description herei trying display table mysql db using codeigniter , angularjs doing wrong? view: list_show_data.php

<?php defined('basepath') or exit('no direct script access allowed'); ?><!doctype html> <html ng-app="app"> <head> <meta charset="utf-8"> <title>list show data</title>  <link rel="stylesheet" src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">  </head> <body>  <div ng-controller="decontroller"> <table class="table table-bordered table-striped table-hover"> <thead> <tr> <th>first name</th> <th>last name</th> <th>email</th> <th>role</th> <th>privileges</th> <th>user name</th> </tr> </thead> <tbody> <tr ng-repeat="n in list_data">     <td>{{n.first name}}</td>     <td>{{n.last name}}</td>     <td>{{n.email}}</td>     <td>{{n.role}}</td>     <td>{{n.privileges}}</td>     <td>{{n.user name}}</td> </tr> </tbody> </table> </div> <script type="text/javascript" href="/public/js/angular.js"> </script> <script type="text/javascript"    src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.6/angular.min.js">  </script> <script type="text/javascript"> var app = angular.module('app',[]); app.controller('decontroller', function($scope,$http){     $scope.list_data=[];     $http.get("ajax_load_data").success(function(result){         $scope.list_data=result;     }); }); </script> </body> </html>

this controller:maintest.php

<?php defined('basepath') or exit('no direct script access allowed');  class maintest extends ci_controller {  /**  * index page controller.  *  * maps following url  *      http://example.com/index.php/welcome  *  - or -  *      http://example.com/index.php/welcome/index  *  - or -  * since controller set default controller in  * config/routes.php, it's displayed @ http://example.com/  *  * other public methods not prefixed underscore  * map /index.php/welcome/<method_name>  * @see https://codeigniter.com/user_guide/general/urls.html  */ public function list_show_data() {      $this->load->helper('url');     $this->load->view('list_show_data');  }  public function ajax_load_data() {     $this->load->helper('url');     $res = $this->db->get('stlc_users')->result();     $data_arr = array();     $i=0;     foreach($res $r)     {         $data_arr[$i]['first name'] = $r->first  ;         $data_arr[$i]['last name'] = $r->last  ;         $data_arr[$i]['email'] = $r->email;         $data_arr[$i]['role'] = $r->role;         $data_arr[$i]['privileges'] = $r->privileges;         $data_arr[$i]['user name'] = $r->user  ;         $i++;     }     echo json_encode($data_arr); }

}

this error i'm getting:

severity: notice --> undefined property: stdclass::$first c:\xampp\htdocs\stlc\application\controllers\maintest.php 38 error - 2016-09-22 16:31:19 --> severity: notice --> undefined property: stdclass::$last c:\xampp\htdocs\stlc\application\controllers\maintest.php 39 error - 2016-09-22 16:31:19 --> severity: notice --> undefined property: stdclass::$user c:\xampp\htdocs\stlc\application\controllers\maintest.php 43

this error message means $r object, represents row db table stlc_users, not have these 2 properties: last , user. reason there no columns these names in db table.


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