Demos
Grid(React)
Sizing
Auto-size Columns

Auto-Size Columns (React)

This FlexGrid automatically resizes columns to fit their content. It does this by calling the autoSizeColumns method in response to events that affect the content size.

Type some long entries into the "Countries" column to see the auto-sizing work.

Learn about FlexGrid | FlexGrid API Reference

This example uses React.

JavaScript
Angular
Vue
React
app.jsx
index.html
app.css
data.jsx
Copy to CodeMine
import 'bootstrap.css';
import '@mescius/wijmo.styles/wijmo.css';
import ReactDOM from 'react-dom/client';
import React from 'react';
import { FlexGrid, FlexGridColumn } from '@mescius/wijmo.react.grid';
import './app.css';
import { data } from './data';
function App() {
    return (<div className="container-fluid">
      <FlexGrid autoGenerateColumns={false} allowResizing="None" initialized={(s) => s.autoSizeColumns()} loadedRows={(s) => s.autoSizeColumns()} rowEditEnded={(s) => s.autoSizeColumns()} cellEditEnded={(s, e) => s.autoSizeColumn(e.col)} itemsSource={data}>
        <FlexGridColumn binding="id" header="ID" minWidth={60} isReadOnly={true}/>
        <FlexGridColumn binding="countries" header="Countries"/>
        <FlexGridColumn binding="sales" header="Sales" minWidth={80}/>
        <FlexGridColumn binding="expenses" header="Expenses" minWidth={80}/>
      </FlexGrid>
    </div>);
}
const container = document.getElementById('app');
if (container) {
    const root = ReactDOM.createRoot(container);
    root.render(<App />);
}
import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import ReactDOM from 'react-dom/client'; import React from 'react'; import { FlexGrid, FlexGridColumn } from '@mescius/wijmo.react.grid'; import './app.css'; import { data } from './data'; function App() { return (<div className="container-fluid"> <FlexGrid autoGenerateColumns={false} allowResizing="None" initialized={(s) => s.autoSizeColumns()} loadedRows={(s) => s.autoSizeColumns()} rowEditEnded={(s) => s.autoSizeColumns()} cellEditEnded={(s, e) => s.autoSizeColumn(e.col)} itemsSource={data}> <FlexGridColumn binding="id" header="ID" minWidth={60} isReadOnly={true}/> <FlexGridColumn binding="countries" header="Countries"/> <FlexGridColumn binding="sales" header="Sales" minWidth={80}/> <FlexGridColumn binding="expenses" header="Expenses" minWidth={80}/> </FlexGrid> </div>); } const container = document.getElementById('app'); if (container) { const root = ReactDOM.createRoot(container); root.render(<App />); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo Wijmo FlexGrid Auto-Size Columns</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.40/system.src.js" integrity="sha512-G6mEj6h18+m3MvzdviSDfPle/TfH0//cXcB33AKlNR/Rha0yQsKefDZKRTkIZos97HEGq2JMV1RT5ybMoQ3WsQ==" crossorigin="anonymous"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div id="app"></div> </body> </html>
.wj-flexgrid { max-height: 300px; }
function getData() { var data = []; for (var i = 0; i < 10; i++) { data.push({ id: i, countries: getCountries(), sales: Math.random() * 10000, expenses: Math.random() * 5000 }); } return data; } function getCountries() { var countries = 'Austria,Belgium,Canada,Denmark,Estonia,Finland,Germany,Hungary,Ireland,Japan,Korea,Lebanon,Mexico,Norway,Portugal,Qatar,Romania,Spain,Turkey,Ukraine,Venezuela,Zaire'.split(','); var c = []; var cnt = Math.round(Math.random() * 2) + 1; var start = Math.round(Math.random() * countries.length); for (var i = 0; i < cnt; i++) { c.push(countries[(i + start) % countries.length]); } return c.join(', '); } export const data = getData();
(function (global) { window.process = { env: { NODE_ENV: "production" } } System.config({ transpiler: 'plugin-babel', babelOptions: { es2015: true, react: true }, meta: { '*.css': { loader: 'css' } }, paths: { // paths serve as alias 'npm:': 'node_modules/' }, // map tells the System loader where to look for things map: { 'jszip': 'npm:jszip/dist/jszip.js', '@mescius/wijmo': 'npm:@mescius/wijmo/index.js', '@mescius/wijmo.input': 'npm:@mescius/wijmo.input/index.js', '@mescius/wijmo.styles': 'npm:@mescius/wijmo.styles', '@mescius/wijmo.cultures': 'npm:@mescius/wijmo.cultures', '@mescius/wijmo.chart': 'npm:@mescius/wijmo.chart/index.js', '@mescius/wijmo.chart.analytics': 'npm:@mescius/wijmo.chart.analytics/index.js', '@mescius/wijmo.chart.animation': 'npm:@mescius/wijmo.chart.animation/index.js', '@mescius/wijmo.chart.annotation': 'npm:@mescius/wijmo.chart.annotation/index.js', '@mescius/wijmo.chart.finance': 'npm:@mescius/wijmo.chart.finance/index.js', '@mescius/wijmo.chart.finance.analytics': 'npm:@mescius/wijmo.chart.finance.analytics/index.js', '@mescius/wijmo.chart.hierarchical': 'npm:@mescius/wijmo.chart.hierarchical/index.js', '@mescius/wijmo.chart.interaction': 'npm:@mescius/wijmo.chart.interaction/index.js', '@mescius/wijmo.chart.radar': 'npm:@mescius/wijmo.chart.radar/index.js', '@mescius/wijmo.chart.render': 'npm:@mescius/wijmo.chart.render/index.js', '@mescius/wijmo.chart.webgl': 'npm:@mescius/wijmo.chart.webgl/index.js', '@mescius/wijmo.chart.map': 'npm:@mescius/wijmo.chart.map/index.js', '@mescius/wijmo.gauge': 'npm:@mescius/wijmo.gauge/index.js', '@mescius/wijmo.grid': 'npm:@mescius/wijmo.grid/index.js', '@mescius/wijmo.grid.detail': 'npm:@mescius/wijmo.grid.detail/index.js', '@mescius/wijmo.grid.filter': 'npm:@mescius/wijmo.grid.filter/index.js', '@mescius/wijmo.grid.search': 'npm:@mescius/wijmo.grid.search/index.js', '@mescius/wijmo.grid.style': 'npm:@mescius/wijmo.grid.style/index.js', '@mescius/wijmo.grid.grouppanel': 'npm:@mescius/wijmo.grid.grouppanel/index.js', '@mescius/wijmo.grid.multirow': 'npm:@mescius/wijmo.grid.multirow/index.js', '@mescius/wijmo.grid.transposed': 'npm:@mescius/wijmo.grid.transposed/index.js', '@mescius/wijmo.grid.transposedmultirow': 'npm:@mescius/wijmo.grid.transposedmultirow/index.js', '@mescius/wijmo.grid.pdf': 'npm:@mescius/wijmo.grid.pdf/index.js', '@mescius/wijmo.grid.sheet': 'npm:@mescius/wijmo.grid.sheet/index.js', '@mescius/wijmo.grid.xlsx': 'npm:@mescius/wijmo.grid.xlsx/index.js', '@mescius/wijmo.grid.selector': 'npm:@mescius/wijmo.grid.selector/index.js', '@mescius/wijmo.grid.cellmaker': 'npm:@mescius/wijmo.grid.cellmaker/index.js', '@mescius/wijmo.grid.immutable': 'npm:@mescius/wijmo.grid.immutable/index.js', '@mescius/wijmo.touch': 'npm:@mescius/wijmo.touch/index.js', '@mescius/wijmo.cloud': 'npm:@mescius/wijmo.cloud/index.js', '@mescius/wijmo.nav': 'npm:@mescius/wijmo.nav/index.js', '@mescius/wijmo.odata': 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'systemjs-babel-build':'npm:systemjs-plugin-babel/systemjs-babel-browser.js', "react-use-event-hook": "npm:react-use-event-hook/dist/esm/useEvent.js", }, // packages tells the System loader how to load when no filename and/or no extension packages: { src: { defaultExtension: 'jsx' }, "node_modules": { defaultExtension: 'js' }, } }); })(this);