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This topic contains 3 replies, has 2 voices, and was last updated by  Peter Stoev 9 years, 10 months ago.

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    jqxgrid – virtualmode, and bindingcomplete Posts
  • May 7, 2015 at 9:43 am jqxgrid – virtualmode, and bindingcomplete #70778

    badera
    Participant

    Dear all

    There is an issue in jqxgrid with angularJS, if we setup for virtualmode and therefore have a “beforeprocessing” function in the source defined (to adapt source.totalrecords) and also have a bindingcomplete function in the settings of the grid.

    We can easily reproduce the problem even without virtual mode enabled: Try this sample:

    
<!DOCTYPE html>
<html ng-app="demoApp">
<head>
    <title id="Description">jqxGrid Binding to JSON using AngularJS</title>
    <link rel="stylesheet" type="text/css" href="../../jqwidgets/styles/jqx.base.css" />
    <script type="text/javascript" src="../../scripts/jquery-1.11.1.min.js"></script>
    <script type="text/javascript" src="../../scripts/angular.min.js"></script>
    <script type="text/javascript" src="../../jqwidgets/jqx-all.js"></script>
    <script type="text/javascript">
        var demoApp = angular.module("demoApp", ["jqwidgets"]);

        demoApp.controller("demoController", function ($scope, $http) {
            $scope.gridSettings =
            {
                altrows: true,
                width: '100%',
                height: '100%',
                source:  {
                    datatype: "json",
                    datafields: [
                        { name: 'name', type: 'string' },
                        { name: 'type', type: 'string' },
                        { name: 'calories', type: 'int' },
                        { name: 'totalfat', type: 'string' },
                        { name: 'protein', type: 'string' }
                    ],
                    id: 'id',
                    url: "../sampledata/beverages.txt",

                    beforeLoadComplete: function (records) {
                        return records;
                    },

                    loadComplete: function (data) {
                    },

                    filter: function()
                    {
                    },

                    sort: function()
                    {
                    },

                    beforeprocessing: function (data) {
                        this.totalrecords = 10000;
                    }
                },
                filterable: true,
                showfilterrow: true,
                
                rowselect: function (event) {
                    console.log("grid.rowselect");
                },
                
                columns: [
                  { text: 'Name', datafield: 'name', width: 250 },
                  { text: 'Beverage Type', datafield: 'type', width: 250 },
                  { text: 'Calories', datafield: 'calories', width: 180 },
                  { text: 'Total Fat', datafield: 'totalfat', width: 120 },
                  { text: 'Protein', datafield: 'protein', minwidth: 120 }
                ],

                rendergridrows: function (obj) {
                    return obj.data;
                },

                bindingcomplete: function (event) {
                    console.log("binding is completed");
                }

            }
        });
    </script>
</head>
<body>
    <div ng-controller="demoController">
        <jqx-grid jqx-settings="gridSettings"></jqx-grid>
    </div>
</body>
</html>

    And you will get an “undefined is not a function” error in JavaScript Console.
    -> It works, if we remove the bindingcomplete function
    -> It also works, if we remove “this.totalrecords = 10000” from source.beforeprocessing; however, this is neccessary for virtualmode.

    Is there a workaround? Fix?
    Thanks in advance!
    – badera

    May 12, 2015 at 9:33 am jqxgrid – virtualmode, and bindingcomplete #70979

    Peter Stoev
    Keymaster

    hi badera,

    If it’s virtual mode, then why virtualmode: true is missing from your code?

    Best Regards,
    Peter Stoev

    jQWidgets Team
    http://www.jqwidgets.com

    May 13, 2015 at 11:35 am jqxgrid – virtualmode, and bindingcomplete #71066

    badera
    Participant

    Dear Peter

    I think that it is usually easier to trace down a problem, if we enable as little features as possible – and that is the point: The issue arrives, if this.totalrecords = 10000 is set in source.beforeprocessing. This can of course be done without ‘virtualmode: true’ in the settings. But it does only make sense in virtualmode…

    However, if you only give a useful answer, if virtualmode: true is set in the settings, feel free to do it 🙂

    It is still an issue for me, so I would be happy to get a workaround. Please fix this for the next release! Thanks!
    – badera

    May 13, 2015 at 11:49 am jqxgrid – virtualmode, and bindingcomplete #71068

    Peter Stoev
    Keymaster

    Hi badera,

    I asked you that because I am unable to reproduce an issue when virtualmode is set to true in the current version.

    Best Regards,
    Peter Stoev

    jQWidgets Team
    http://www.jqwidgets.com

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