Multi-Level Headers (Bands)

Our DataGrid component allows you to group multiple columns under one header (band). This demo shows an example: the "Nominal GDP" and "Population" bands have banded columns.

You can drag one of the bands across the grid to reorder all its banded columns simultaneously. You can also move the band to the column chooser and hide the banded columns. Banded columns remain interactive.

To create the banded layout, do one of the following:

Assign a hierarchical structure to the columns property. The code in this demo is an example.
Implement a customizeColumns function where you should specify the ownerBand and isBand column properties. Refer to the isBand description for a code sample.

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Backend API

<template> <DxDataGrid id="grid" :data-source="countries" :key-expr="'ID'" :column-auto-width="true" :allow-column-reordering="true" :width="'100%'" :show-borders="true" > <DxColumnChooser :enabled="true"/> <DxColumn data-field="Country"/> <DxColumn data-field="Area" header-cell-template="headerTemplate" /> <DxColumn caption="Population"> <DxColumn caption="Total" data-field="Population_Total" format="fixedPoint" /> <DxColumn caption="Urban" data-field="Population_Urban" format="percent" /> </DxColumn> <DxColumn caption="Nominal GDP"> <DxColumn caption="Total, mln $" data-field="GDP_Total" format="fixedPoint" sort-order="desc" /> <DxColumn caption="By Sector"> <DxColumn :width="95" :format="gdpFormat" caption="Agriculture" data-field="GDP_Agriculture" /> <DxColumn :width="80" :format="gdpFormat" caption="Industry" data-field="GDP_Industry" /> <DxColumn :width="85" :format="gdpFormat" caption="Services" data-field="GDP_Services" /> </DxColumn> </DxColumn> <template #headerTemplate> <div>Area, km<sup>2</sup></div> </template> </DxDataGrid> </template> <script setup lang="ts"> import DxDataGrid, { DxColumn, DxColumnChooser } from 'devextreme-vue/data-grid'; import { countries } from './data.js'; const gdpFormat = { type: 'percent', precision: 1, }; </script> <style> #grid sup { font-size: 0.8em; vertical-align: super; line-height: 0; } .long-title { position: absolute; top: -5px; left: 0; right: 45px; z-index: 1; } .long-title h3 { font-family: 'Segoe UI Light', 'Helvetica Neue Light', 'Segoe UI', 'Helvetica Neue', 'Trebuchet MS', Verdana; font-weight: 200; font-size: 28px; text-align: center; margin: 0 0 0 45px; } </style>

import { createApp } from 'vue'; import App from './App.vue'; createApp(App).mount('#app');

<!DOCTYPE html> <html> <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" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/23.1.5/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="styles.css" /> <script type="module"> import * as vueCompilerSFC from "https://unpkg.com/@vue/compiler-sfc@3.3.4/dist/compiler-sfc.esm-browser.js"; window.vueCompilerSFC = vueCompilerSFC; </script> <script src="https://unpkg.com/typescript@3.9.10/lib/typescript.js"></script> <script src="https://unpkg.com/core-js@2.6.12/client/shim.min.js"></script> <script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script> <script type="text/javascript" src="config.js"></script> <script type="text/javascript"> System.import("./index.js"); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div class="long-title"> <h3>Country Area, Population, and GDP Structure</h3> </div> <div id="app"></div> </div> </body> </html>

export const countries = [{ ID: 1, Country: 'Brazil', Area: 8515767, Population_Urban: 0.85, Population_Rural: 0.15, Population_Total: 205809000, GDP_Agriculture: 0.054, GDP_Industry: 0.274, GDP_Services: 0.672, GDP_Total: 2353025, }, { ID: 2, Country: 'China', Area: 9388211, Population_Urban: 0.54, Population_Rural: 0.46, Population_Total: 1375530000, GDP_Agriculture: 0.091, GDP_Industry: 0.426, GDP_Services: 0.483, GDP_Total: 10380380, }, { ID: 3, Country: 'France', Area: 675417, Population_Urban: 0.79, Population_Rural: 0.21, Population_Total: 64529000, GDP_Agriculture: 0.019, GDP_Industry: 0.183, GDP_Services: 0.798, GDP_Total: 2846889, }, { ID: 4, Country: 'Germany', Area: 357021, Population_Urban: 0.75, Population_Rural: 0.25, Population_Total: 81459000, GDP_Agriculture: 0.008, GDP_Industry: 0.281, GDP_Services: 0.711, GDP_Total: 3859547, }, { ID: 5, Country: 'India', Area: 3287590, Population_Urban: 0.32, Population_Rural: 0.68, Population_Total: 1286260000, GDP_Agriculture: 0.174, GDP_Industry: 0.258, GDP_Services: 0.569, GDP_Total: 2047811, }, { ID: 6, Country: 'Italy', Area: 301230, Population_Urban: 0.69, Population_Rural: 0.31, Population_Total: 60676361, GDP_Agriculture: 0.02, GDP_Industry: 0.242, GDP_Services: 0.738, GDP_Total: 2147952, }, { ID: 7, Country: 'Japan', Area: 377835, Population_Urban: 0.93, Population_Rural: 0.07, Population_Total: 126920000, GDP_Agriculture: 0.012, GDP_Industry: 0.275, GDP_Services: 0.714, GDP_Total: 4616335, }, { ID: 8, Country: 'Russia', Area: 17098242, Population_Urban: 0.74, Population_Rural: 0.26, Population_Total: 146544710, GDP_Agriculture: 0.039, GDP_Industry: 0.36, GDP_Services: 0.601, GDP_Total: 1857461, }, { ID: 9, Country: 'United States', Area: 9147420, Population_Urban: 0.81, Population_Rural: 0.19, Population_Total: 323097000, GDP_Agriculture: 0.0112, GDP_Industry: 0.191, GDP_Services: 0.797, GDP_Total: 17418925, }, { ID: 10, Country: 'United Kingdom', Area: 244820, Population_Urban: 0.82, Population_Rural: 0.18, Population_Total: 65097000, GDP_Agriculture: 0.007, GDP_Industry: 0.21, GDP_Services: 0.783, GDP_Total: 2945146, }];