Horizontal Virtual Scrolling

Horizontal virtual scrolling improves the rendering performance because the DataGrid only renders columns that are in the viewpoint. To enable this feature, set the scrolling.columnRenderingMode property to "virtual".

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$(() => { const columnCount = 500; const rowCount = 50; $('#grid').dxDataGrid({ dataSource: generateData(rowCount, columnCount), keyExpr: 'field1', columnWidth: 100, showBorders: true, scrolling: { columnRenderingMode: 'virtual', }, paging: { enabled: false, }, }); });

<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" /> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/23.1.5/css/dx.light.css" /> <script src="https://cdn3.devexpress.com/jslib/23.1.5/js/dx.all.js"></script> <script src="data.js"></script> <script src="index.js"></script> <link rel="stylesheet" type="text/css" href="styles.css" /> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="grid"></div> </div> </body> </html>

#grid { max-height: 440px; }