You can toggle column visibility based on media queries which are defined
at the hideAtMedia
.
The hideAtMedia
accepts valid
Media Queries.
var treeGridObj = new ej.treegrid.TreeGrid({
dataSource: sampleData,
childMapping: 'subtasks',
height: 315,
treeColumnIndex: 1,
columns: [
{
field: 'taskID', headerText: 'Task ID', hideAtMedia: '(min-width: 700px)', width: 90, textAlign: 'Right'
},// column hides when browser screen width lessthan 700px;
{ field: 'taskName', headerText: 'Task Name', width: 180 },
{
field: 'startDate', headerText: 'Start Date', hideAtMedia: '(max-width: 500px)',width: 90, textAlign: 'Right', type: 'date',format: 'yMd'
}, // column shows when browser screen width lessthan or equalto 500px;
{ field: 'duration', headerText: 'Duration', width: 80, textAlign: 'Right' }
]
});
treeGridObj.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="//cdn.syncfusion.com/ej2/21.2.3/ej2-base/styles/material.css" rel="stylesheet">
<link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-grids/styles/material.css" rel="stylesheet">
<link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-treegrid/styles/material.css" rel="stylesheet">
<link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-buttons/styles/material.css" rel="stylesheet">
<link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-popups/styles/material.css" rel="stylesheet">
<link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-navigations/styles/material.css" rel="stylesheet">
<link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-dropdowns/styles/material.css" rel="stylesheet">
<link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-lists/styles/material.css" rel="stylesheet">
<link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-inputs/styles/material.css" rel="stylesheet">
<link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-calendars/styles/material.css" rel="stylesheet">
<link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-splitbuttons/styles/material.css" rel="stylesheet">
<script src="https://cdn.syncfusion.com/ej2/21.2.3/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>