Customize column styles in EJ2 JavaScript Treegrid control

27 Apr 20234 minutes to read

You can customise the appearance of the header and content of a particular column using the customAttributes property.

To customize the Tree Grid column, follow the given steps:

Step 1:

Create a CSS class with custom style to override the default style for rowcell and header cell.

.e-treegrid .e-rowcell.customcss{
    background-color: #ecedee;
    color: 'red';
    font-family: 'Bell MT';
    font-size: 20px;
}

.e-treegrid .e-headercell.customcss{
    background-color: #2382c3;
    color: white;
    font-family: 'Bell MT';
    font-size: 20px;
}

Step 2:

Add the custom CSS class to the specified column by using the customAttributes property.

{ field: 'taskName', headerText: 'Task Name', customAttributes: {class: 'customcss'}, width: 100 },
var treegrid = new ej.treegrid.TreeGrid({
    dataSource: sampleData,
    childMapping: 'subtasks',
    treeColumnIndex: 1,
    height: 275,
    columns: [
       { field: 'taskID', headerText: 'Task ID', width: 70, textAlign: 'Right' },
       { field: 'taskName', headerText: 'Task Name', width: 200,customAttributes: { class: 'customcss' },  textAlign: 'Left' },
       { field: 'startDate', headerText: 'Start Date', width: 90, textAlign: 'Right', type: 'date', format: 'yMd' },
       { field: 'duration', headerText: 'Duration', width: 80, textAlign: 'Right' },
    ]
});
treegrid.appendTo('#TreeGrid');
<!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="https://cdn.syncfusion.com/ej2/30.1.37/ej2-base/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/30.1.37/ej2-grids/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/30.1.37/ej2-treegrid/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/30.1.37/ej2-buttons/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/30.1.37/ej2-popups/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/30.1.37/ej2-navigations/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/30.1.37/ej2-dropdowns/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/30.1.37/ej2-lists/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/30.1.37/ej2-inputs/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/30.1.37/ej2-calendars/styles/material.css" rel="stylesheet">
    
    
    
    <link href="https://cdn.syncfusion.com/ej2/30.1.37/ej2-splitbuttons/styles/material.css" rel="stylesheet">
    
    
    
    
<script src="https://cdn.syncfusion.com/ej2/30.1.37/dist/ej2.min.js" type="text/javascript"></script>
<script src="es5-datasource.js" type="text/javascript"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.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 refer to our JavaScript Tree Grid feature tour page for its groundbreaking feature representations. You can also explore our JavaScript Tree Grid example JavaScript Tree Grid example to knows how to present and manipulate data.