Open and close the Sidebar

17 Feb 20224 minutes to read

Opening and closing the Sidebar can be achieved with built-in public methods.

Method Description
show() Method to open the Sidebar.
hide() Method to close the Sidebar.
toggle() Method to toggle the open/close state of the Sidebar.

In the following sample, toggle method has been used to show or hide the Sidebar on button click.

<!-- sidebar element declaration -->
<ejs-sidebar id="default-sidebar" showBackdrop="false" open="Open" close="Close">
		<div class="title"> Sidebar content</div>
		<div class="sub-title">
			Click the button to close the Sidebar.
		<div class="center-align">
            <!-- Button element declaration -->
			<ejs-button id="close" content="Close Sidebar"></ejs-button>
<!-- end of sidebar element -->
<!--  Main Content declaration -->
	<div class="title">Main content</div>
	<div class="sub-title"> Click the button to open/close the Sidebar.</div>
	<div style="padding:20px" class="center-align">
         <!-- Button element declaration -->
		<ejs-button id="toggle" content="Toggle Sidebar" cssClass="e-info"></ejs-button>

<script type="text/javascript">

    document.addEventListener('DOMContentLoaded', function () {
        // Create instances for sidebar element
        var defaultSidebar = document.getElementById("default-sidebar").ej2_instances[0];
        // Toggle button to open and close the sidebar
        document.getElementById('toggle').onclick = function () {
        // Close the sidebar
        document.getElementById('close').onclick = function () {

    function Open() {
        console.log("Sidebar Opened");
    function Close() {
        console.log("Sidebar Closed");

    /* Button element styles */
    #close, #close:hover, #close:active, #close:focus { /* csslint allow: adjoining-classes*/
        background: #fafafa;
        color: black

    /* sample level styles */
    .title {
        text-align: center;
        font-size: 20px;
        padding: 15px;

    .sub-title {
        text-align: center;
        font-size: 16px;
        padding: 10px;

    .center-align {
        text-align: center;
        padding: 20px;

    body {
        margin: 0;

    /* Sidebar element styles */
    #default-sidebar {
        background-color: rgb(25, 118, 210);
        color: #ffffff;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;

namespace WebApplication.Controllers
    public partial class SidebarController : Controller
        public IActionResult open()
            return View();

Output be like the below.

Sidebar Sample