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jQWidgets jqxTreeGrid getSelection() 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 sources such as XML, JSON, Array, CSV, or TSV.

The getSelection() method is used to return an array of selected rows of the specified jqxTreeGrid. 

Syntax:

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

Parameters: This method does not accept any parameter.

Return Values: This method returns an array of selected rows.

Linked Files: Download jQWidgets 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 getSelection() method. In the below example, the value of the first column of the first row is returned.

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 getSelection() Method
         </h3>
         <div id="jqxTreeGrid" style="margin: 25px;">
         </div>
         <input type="button" style="margin: 20px;" 
            id="button_for_getSelection" 
            value="Get an array of selected row"/>
         <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,
                    ready: function () {
                        $("#jqxTreeGrid").jqxTreeGrid(
                            'expandRow', '1');
                        $("#jqxTreeGrid").jqxTreeGrid(
                            'expandRow', '3');
                        $("#jqxTreeGrid").jqxTreeGrid(
                            'selectRow', 1);
                    },
                    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_getSelection").jqxButton({
                    width: 400,
                    height: 35
                });
                $('#button_for_getSelection').click(
                    function () {
                        var Selected_Row = $("#jqxTreeGrid").
                            jqxTreeGrid('getSelection');
                        $("#log").html(JSON.stringify(
                            Selected_Row[0].Employee_Name))
                    });
            });
         </script>
      </center>
   </body>
</html>


Output:

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



Last Updated : 04 Oct, 2021
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