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    Data Grid

    Remote Grouping

    Remote (server-side) operations can boost the DataGrid's performance on large datasets. In this demo, the DataGrid works with a million records seamlessly because they are processed on the server.

    To notify the DataGrid that it works with a pre-processed dataset, set the remoteOperations property to true.

    You can also specify properties that allow the DataGrid to load data on demand to reduce the amount of transmitted data. Set the grouping.autoExpandAll property to false to collapse all the groups at startup. Data for each group is loaded only when the user expands the group. Enable the "virtual" scrolling.mode to load only those records that come into the viewport when the grid is scrolled vertically.

    The DataGrid communicates with the server according to a protocol. Refer to the Server-Side Data Processing article for information on it.

    NOTE

    The data source in this demo is configured to return only 1000 records per request.

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    $(() => { $('#gridContainer').dxDataGrid({ dataSource: DevExpress.data.AspNet.createStore({ key: 'Id', loadUrl: 'https://js.devexpress.com/Demos/WidgetsGalleryDataService/api/Sales', }), remoteOperations: { groupPaging: true }, scrolling: { mode: 'virtual', }, grouping: { autoExpandAll: false, }, groupPanel: { visible: true, }, wordWrapEnabled: true, width: '100%', showBorders: true, columns: [{ dataField: 'Id', dataType: 'number', width: 75, }, { caption: 'Subcategory', dataField: 'ProductSubcategoryName', width: 150, }, { caption: 'Store', dataField: 'StoreName', groupIndex: 0, width: 150, }, { caption: 'Category', dataField: 'ProductCategoryName', groupIndex: 1, width: 120, }, { caption: 'Product', dataField: 'ProductName', }, { caption: 'Date', dataField: 'DateKey', dataType: 'date', format: 'yyyy-MM-dd', width: 100, }, { caption: 'Amount', dataField: 'SalesAmount', format: 'currency', width: 100, }], summary: { groupItems: [{ column: 'Id', summaryType: 'count', }], }, }); });
    <!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="https://unpkg.com/devextreme-aspnet-data@2.9.2/js/dx.aspnet.data.js"></script> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="index.js"></script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="gridContainer"></div> </div> </body> </html>
    #gridContainer { height: 420px; width: 100%; }