ComboBox with Numbers and Dates

Along with Strings, the ComboBox also supports Numbers and Dates. You can bind an array of numbers or dates to the ComboBox control. This sample demonstrates this, and formats the Dates uisng the wijmo.Globalize.format method.

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; import { Globalize } from '@grapecity/wijmo'; import { ComboBox } from '@grapecity/wijmo.input'; document.readyState === 'complete' ? init() : window.onload = init; function init() { // select a number let theComboNumber = new ComboBox('#theComboNumber', { selectedIndexChanged: sender => { setText('theNumber', sender.selectedItem); }, itemsSource: [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71], }); // select a date let theComboDate = new ComboBox('#theComboDate', { selectedIndexChanged: sender => { setText('theDate', Globalize.format(sender.selectedItem, 'd')); }, itemsSource: [new Date(2019, 0, 1), new Date(2019, 1, 12), new Date(2019, 1, 22), new Date(2019, 4, 13), new Date(2019, 4, 24), new Date(2019, 8, 19)], formatItem: (sender, e) => { e.item.textContent = Globalize.format(e.data, 'd'); }, }); // show text in an element on the page function setText(id, value) { document.getElementById(id).textContent = value; } }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity ComboBox with Numbers and Dates</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="node_modules/systemjs/dist/system.src.js"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div class="container-fluid"> <p> You can use ComboBoxes to select from lists of numbers: </p> <div class="form-group"> <label> Select a number: <div id="theComboNumber"></div> </label> </div> <p> You have selected this number: <b id="theNumber"></b>. </p> <hr /> <p> You can use ComboBoxes to select from lists of dates. In this case, we use the <b>formatItem</b> event to format the date objects using Wijmo's <b>Globalize</b> class: </p> <div class="form-group"> <label> Select a date: <div id="theComboDate"></div> </label> </div> <p> You have selected this date: <b id="theDate"></b>. </p> </div> </body> </html>
body { margin-bottom: 24px; } label { margin-right: 3px; }
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