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jQWidgets jqxTreeGrid refresh() Method

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jQWidgets is a JavaScript framework for making web-based applications for PC and mobile devices. It is a very powerful, optimized, platform-independent, and widely supported framework. The jqxTreeGrid is used for representing data in a tree-like structure. This widget is useful for displaying multi-column of hierarchical data, data paging, sorting and filtering, data editing, column resizing, fixed columns, conditional formatting, aggregates, and rows selection. These widgets also read and display the data from any type of data source such as XML, JSON, Array, CSV, or TSV.

The refresh() method is used to refresh the updated HTML element’s name, position, and size.

Syntax:

$("#treeGrid").jqxTreeGrid('refresh');

Parameters: This method does not accept any parameters.

Return Values: This method does not return any values.

Linked Files: Download https://www.jqwidgets.com/download/ from the given link. In the HTML file, locate the script files in the downloaded folder.

<link rel=”stylesheet” href=”jqwidgets/styles/jqx.base.css” type=”text/css” />
<script type=”text/javascript” src=”scripts/jquery.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxcore.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdata.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxbuttons.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxscrollbar.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxlistbox.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdropdownlist.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdatatable.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxtreegrid.js”></script>

Example: The below example illustrates the jQWidgets jqxTreeGrid refresh() method.

HTML




<!DOCTYPE html>
<html lang="en">
  
<head>
    <link rel="stylesheet" href=
        "jqwidgets/styles/jqx.base.css" type="text/css" />
    <script type="text/javascript" 
        src="scripts/jquery.js"></script>
    <script type="text/javascript" 
        src="jqwidgets/jqxcore.js"></script>
    <script type="text/javascript" 
        src="jqwidgets/jqxdata.js"></script>
    <script type="text/javascript" 
        src="jqwidgets/jqxbuttons.js"></script>
    <script type="text/javascript" 
        src="jqwidgets/jqxscrollbar.js"></script>
    <script type="text/javascript" 
        src="jqwidgets/jqxlistbox.js"></script>
    <script type="text/javascript" 
        src="jqwidgets/jqxdropdownlist.js"></script>
    <script type="text/javascript" 
        src="jqwidgets/jqxdatatable.js"></script>
    <script type="text/javascript" 
        src="jqwidgets/jqxtreegrid.js"></script>
</head>
  
<body>
    <center>
        <h1 style="color: green;">
            GeeksforGeeks
        </h1>
        <h3>
            jQWidgets jqxTreeGrid refresh() Method
        </h3>
        <div id="jqxTreeGrid" style="margin: 25px;"></div>
        <input type="button" style="margin: 20px;" 
            id="button_for_refresh" 
            value="Refresh the above jqxTreeGrid" />
  
        <div id="log"></div>
  
        <script type="text/javascript">
            $(document).ready(function () {
                var A = [{
                    ID: 1,
                    Employee_Name: "Amit",
                    Company: "GeeksforGeeks",
                    Designation: "Content Writer",
                    expanded: true,
                    A1: [{
                        ID: 2,
                        Employee_Name: "Sumit",
                        Company: "Amazon",
                        Designation: "Software Engineer",
                    }, {
                        ID: 3,
                        Employee_Name: "Vivek",
                        Company: "Apple",
                        Designation: "Product Manager",
                        expanded: true,
                        A1: [{
                            ID: 4,
                            Employee_Name: "Soni",
                            Company: "Flipkart",
                            Designation: "HR",
                        },],
                    },],
                },];
  
                var Data_Source = {
                    dataFields: [
                        {
                            name: "ID",
                        },
                        {
                            name: "Employee_Name",
                        },
                        {
                            name: "Company",
                        },
                        {
                            name: "Designation",
                        },
                        {
                            name: "A1",
                            type: "array",
                        },
                        {
                            name: "expanded",
                        },
                    ],
                    hierarchy: {
                        root: "A1",
                    },
                    id: "ID",
                    localData: A,
                };
  
                var Data = new $.jqx.dataAdapter(Data_Source);
  
                $("#jqxTreeGrid").jqxTreeGrid({
                    source: Data,
                    editable: true,
                    ready: function () {
                        $("#jqxTreeGrid").jqxTreeGrid("expandRow", "1");
                        $("#jqxTreeGrid").jqxTreeGrid("expandRow", "3");
                    },
                    columns: [
                        {
                            text: "Employee_Name",
                            align: "center",
                            dataField: "Employee_Name",
                            width: 140,
                        },
                        {
                            text: "Company",
                            align: "center",
                            dataField: "Company",
                            width: 150,
                        },
                        {
                            text: "Designation",
                            align: "center",
                            dataField: "Designation",
                            width: 150,
                        },
                    ],
                });
                $("#button_for_refresh").jqxButton({
                    width: 250,
                    height: 35,
                });
                $("#button_for_refresh").click(function () {
                    $("#jqxTreeGrid").jqxTreeGrid("refresh");
                });
            });
        </script>
    </center>
</body>
  
</html>


Output:

Reference: https://www.jqwidgets.com/jquery-widgets-documentation/documentation/jqxtreegrid/jquery-treegrid-api.htm?search=



Last Updated : 07 Oct, 2021
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