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Column Reorder in JavaScript (ES5) TreeGrid control

02 Feb 2023 / 2 minutes to read

Reordering can be done by drag and drop of a particular column header from one index to another index within the treegrid. To enable reordering, set the allowReordering to true.

To use reordering, inject the Reorder module in the treegrid.

Source
Preview
index.js
index.html
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ej.treegrid.TreeGrid.Inject(ej.treegrid.Reorder);

var treeGridObj = new ej.treegrid.TreeGrid({
    dataSource: sampleData,
    childMapping: 'subtasks',
    allowReordering: true,
    height: 315,
    treeColumnIndex: 1,
    columns: [
        { field: 'taskID', headerText: 'Task ID', textAlign: 'Right', width: 90 },
        { field: 'taskName', headerText: 'Task Name', width: 180 },
        { field: 'duration', headerText: 'Duration', width: 80, textAlign: 'Right' },
        { field: 'progress', headerText: 'Progress', width: 80, textAlign: 'Right' }
    ]
});

treeGridObj.appendTo('#TreeGrid');
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<!DOCTYPE html><html lang="en"><head>
            
    <title>EJ2 Grid</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="Typescript Grid Control">
    <meta name="author" content="Syncfusion">
    <link href="index.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.4.48/ej2-base/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.4.48/ej2-grids/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.4.48/ej2-treegrid/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.4.48/ej2-buttons/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.4.48/ej2-popups/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.4.48/ej2-navigations/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.4.48/ej2-dropdowns/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.4.48/ej2-lists/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.4.48/ej2-inputs/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.4.48/ej2-calendars/styles/material.css" rel="stylesheet">
    
    
    
    <link href="//cdn.syncfusion.com/ej2/20.4.48/ej2-splitbuttons/styles/material.css" rel="stylesheet">
    
    
    
    
<script src="https://cdn.syncfusion.com/ej2/20.4.48/dist/ej2.min.js" type="text/javascript"></script>
<script src="es5-datasource.js" type="text/javascript"></script>
</head>
<body>
    
    <div id="container">
        <div id="TreeGrid"></div>        
    </div>

<script>
var ele = document.getElementById('container');
if(ele) {
    ele.style.visibility = "visible";
 }   
        </script>
<script src="index.js" type="text/javascript"></script>
</body></html>

You can disable reordering a particular column by setting the columns.allowReordering to false.

Reorder multiple columns

Multiple columns can be reordered at a time by using the reorderColumns method.

Source
Preview
index.js
index.html
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ej.treegrid.TreeGrid.Inject(ej.treegrid.Reorder);

var treeGridObj = new ej.treegrid.TreeGrid({
    dataSource: sampleData,
    childMapping: 'subtasks',
    allowReordering: true,
    height: 285,
    treeColumnIndex: 1,
    columns: [
        { field: 'taskID', headerText: 'Task ID', textAlign: 'Right', width: 90 },
        { field: 'taskName', headerText: 'Task Name', width: 180 },
        { field: 'duration', headerText: 'Duration', width: 80, textAlign: 'Right' },
        { field: 'progress', headerText: 'Progress', width: 80, textAlign: 'Right' }
    ]
});

treeGridObj.appendTo('#TreeGrid');

var reorderMultipleCols = new ej.buttons.Button();
reorderMultipleCols.appendTo('#reorderMultipleCols');

document.getElementById('reorderMultipleCols').addEventListener('click', function(){
    treeGridObj.reorderColumns(['taskID','duration'],'progress');
});
Copied to clipboard
<!DOCTYPE html><html lang="en"><head>
            
    <title>EJ2 Grid</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="Typescript Grid Control">
    <meta name="author" content="Syncfusion">
    <link href="index.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.4.48/ej2-base/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.4.48/ej2-grids/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.4.48/ej2-treegrid/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.4.48/ej2-buttons/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.4.48/ej2-popups/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.4.48/ej2-navigations/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.4.48/ej2-dropdowns/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.4.48/ej2-lists/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.4.48/ej2-inputs/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.4.48/ej2-calendars/styles/material.css" rel="stylesheet">
    
    
    
    <link href="//cdn.syncfusion.com/ej2/20.4.48/ej2-splitbuttons/styles/material.css" rel="stylesheet">
    
    
    
    
<script src="https://cdn.syncfusion.com/ej2/20.4.48/dist/ej2.min.js" type="text/javascript"></script>
<script src="es5-datasource.js" type="text/javascript"></script>
</head>
<body>
    
    <div id="container">
        <button id="reorderMultipleCols">Reorder Task ID and Duration to Last</button> 
        <div id="TreeGrid"></div>        
    </div>

<script>
var ele = document.getElementById('container');
if(ele) {
    ele.style.visibility = "visible";
 }   
        </script>
<script src="index.js" type="text/javascript"></script>
</body></html>