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jQWidgets jqxTreeGrid getRow() Method

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  • Last Updated : 03 Jun, 2022
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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 getRow() method is used to return a row object of the specified jqxTreeGrid. If the specified row is not found in the jqxTreeGrid, then it returns null. It is of string type.

There are some reserved members of the returned row object:

  • checked: This is the boolean value. Here the checked state of the row is returned.
  • expanded: This is the boolean value. Here the expanded state of the row is returned.
  • icon: This is the string value. Here the icon URL of the row is returned.
  • leaf: This is the boolean value. Here the existence of the row’s leaf in the hierarchy is returned.
  • level: This is the integer value. Here the hierarchy level of the row is returned.
  • parent: This is the object. It returns null for root rows else returns the object of the parent row.
  • records: This is an array. Here the sub-rows collection of the row is returned.
  • selected: This is the boolean value. Here the selected state of the row is returned.
  • uid: This is the number or string value. Here the unique ID or key of the row is returned.

Syntax:

$("#treeGrid").jqxTreeGrid('getRow', rowKey);

Parameters: This method accepts a parameter that is illustrated below:

  • rowKey: This is the specified row whose data is going to be returned.

Return Values: This method returns the row object.

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 getRow() method. In the below example, the data of the first selected 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 getRow() Method
        </h3>
        <div id="jqxTreeGrid" style="margin: 25px;">
        </div>
        <input type="button" style="margin: 20px;" 
               id="button_for_getRow" 
               value="Get the details of the first 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,
                    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_getRow").jqxButton({
                    width: 300,
                    height: 35
                });
                $("#jqxTreeGrid").jqxTreeGrid('selectRow', 1);
                $('#button_for_getRow').click(
                    function () {
                        var Row_Details = $("#jqxTreeGrid").
                            jqxTreeGrid('getRow', '1');
                        $("#log").html(
                             Row_Details.Employee_Name + ", "
                           + Row_Details.Company + ", "
                           + Row_Details.Designation);
                    });
            });
        </script>
    </center>
</body>
  
</html>


Output:

 

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


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