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25
Ignite UI Chart in AngularJS with Web API - can not push to Null
posted

Need help. I am doing a very simple application do create a Ignite UI chart in the AngularJS app consuming data from Web API

 

  1. I am using AngularJS Ignite UI library from here :  https://github.com/IgniteUI/igniteui-angular
  2. I am able to create Ignite UI chart using the static data ( Not calling the service or web api)
  3. I am able to create HTML table using the data returned from the web api
  4. I am not able to create Ignite UI chart using the data returned from the web api.

 

Always getting the error as shown in the image below :

For reference codes used are given below:

 

Service

 

 

var app = angular.module('dataservice', []);

 

app.factory('populationData', ['$http', function ($http) {

    var populationData = {};

 

    populationData.data = function () {

        alert("hi");

        return $http.get('http://localhost:56649/API/CITIES');

    };

 

    return populationData;

 

}]);

 

 

Controller

 

 

var myapp = angular.module('myapp', ['igniteui-directives', 'dataservice']);

 

myapp.controller('dataChartController', ['$scope', 'populationData', function ($scope, populationData) {

    getData();

    function getData() {

        populationData.data()

            .success(function (cities) {

                $scope.a = cities;

                console.log($scope.a);

                alert($scope.a);

            })

            .error(function (error) {

                $scope.status = 'Unable to load customer data: ' + error.message;

                console.log('error');

            });

    }

}]);

 

 

 

View

 

<!DOCTYPE html>

<html ng-app="myapp">

<head>

    <title>Ignite UI Chart in AngularJS Demo</title>

    <!--For IG Chart-->

  

    <link href="Content/Infragistics/css/structure/infragistics.css" rel="stylesheet" />

    <link href="Content/bootstrap.css" rel="stylesheet" />

    <script src="Scripts/modernizr-2.7.2.js"></script>

    <script src="Scripts/jquery-2.1.3.js"></script>

    <script src="Scripts/jquery-ui-1.10.3.js"></script>

    <script src="Scripts/Infragistics/js/infragistics.core.js"></script>

    <script src="Scripts/Infragistics/js/infragistics.dv.js"></script>

    <script src="Scripts/Infragistics/js/infragistics.lob.js"></script>

  

    <script src="Scripts/angular.js"></script>

    <script src="igniteui-angular.js"></script>

    <script src="Service.js"></script>

    <script src="default.js"></script>

</head>

<body class="container">

 

    <div class="row" ng-controller="dataChartController">

        <h1>Ignite UI + AngularJS</h1>

        <h2>Countries Population</h2>

        <div class="row">

            <table>

                <tr ng-repeat="c in a">

                    <td>{{c.Name}}</td>

                    <td>{{c.Population01}}</td>

                </tr>

            </table>

        </div>

        <div class="row">

            <ig-data-chart id="datachart1" data-source="a">

                <axes>

                    <axis name="NameAxis"

                          type="categoryX"

                          title="Name"

                          label="Name"></axis>

 

                    <axis name="PopulationAxis"

                          type="numericY"

                          minimumvalue="0"

                          title="Milions of People"></axis>

                </axes>

                <series>

                    <series name="2001Population"

                            type="column"

                            is-highlighting-enabled="true"

                            is-transition-in-enabled="true"

                            x-axis="NameAxis"

                            y-axis="PopulationAxis"

                            value-member-path="Population01">

                    </series>

                </series>

            </ig-data-chart>

            <!--<ig-zoombar target="#datachart1"></ig-zoombar>-->

        </div>

    </div>

</body>

</html>

 

 

Any help ? or connect me with someone who can help !

error

Parents
  • 11095
    Verified Answer
    Offline posted

    Hello Dhananjay,

    You can set initially the dateSource to be empty array, in order the chart to be bound to a valid object.

    1
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    myapp.controller('dataChartController', ['$scope', 'populationData', function ($scope, populationData) {
        $scope.a = [];
    
        ...
    }]);
    

    Let me know if you need further assistance.

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