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Content Template in ASP.NET Core Sidebar control

In the following example, Menu component is rendered inside the Sidebar using content template. Initially, the Sidebar renders in the dock state with icons, and expands when the hamburger icon at the top-left corner of the header section is clicked.

tagHelper
controller.cs
Index.cshtml
<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>@ViewData["Title"] - content_template</title>
        <!-- Syncfusion Essential JS 2 Styles -->
        <link rel="stylesheet" href="https://cdn.syncfusion.com/ej2/material.css" />
        <link href="https://cdn.syncfusion.com/ej2/material.css" rel="stylesheet">
        <!-- Syncfusion Essential JS 2 Scripts -->
        <script src="https://cdn.syncfusion.com/ej2/dist/ej2.min.js"></script>
        <environment include="Development">
            <link rel="stylesheet" href="~/lib/bootstrap/dist/css/bootstrap.css" />
            <link rel="stylesheet" href="~/css/site.css" />
        </environment>
        <environment exclude="Development">
            <link rel="stylesheet" href="https://ajax.aspnetcdn.com/ajax/bootstrap/3.3.7/css/bootstrap.min.css"
                  asp-fallback-href="~/lib/bootstrap/dist/css/bootstrap.min.css"
                  asp-fallback-test-class="sr-only" asp-fallback-test-property="position" asp-fallback-test-value="absolute" />
            <link rel="stylesheet" href="~/css/site.min.css" asp-append-version="true" />
        </environment>
    </head>
    <body>
        <div class="header-section dock-menu" id="header">
            <ul class="header-list">
                <li id="hamburger" class="icon-menu icon list"></li>
                <input type="text" placeholder="Search..." class="search-icon list">
                <li class="right-header list">
                    <div class="horizontal-menu">
                        <ejs-menu id="horizontal-menubar" items="ViewBag.AccountMenuItems" orientation="Horizontal" cssClass="dock-menu"></ejs-menu>
                    </div>
                </li>
                <li class="right-header list support">Support</li>
                <li class="right-header list tour">Tour</li>
            </ul>
        </div>
        <!-- sidebar element declaration -->
        <ejs-sidebar id="sidebar-menu" class="dock-menu" width="220px" target=".main-content" dockSize="50px" enableDock="true">
            <e-content-template>
                <div class="main-menu">
                    <p class="main-menu-header">MAIN</p>
                    <div>
                        <ejs-menu id="main-menubar" items="ViewBag.mainMenuItems" orientation="Vertical" cssClass="dock-menu"></ejs-menu>
                    </div>
                </div>
                <div class="action">
                    <p class="main-menu-header">ACTION</p>
                    <button class="e-btn action-btn" id="action-button">+ Button</button>
                </div>
            </e-content-template>
        </ejs-sidebar>
        <div id="maintext" class="main-content">
            <div>
                @RenderBody()
            </div>
        </div>

        <environment include="Development">
            <script src="~/lib/jquery/dist/jquery.js"></script>
            <script src="~/lib/bootstrap/dist/js/bootstrap.js"></script>
            <script src="~/js/site.js" asp-append-version="true"></script>
        </environment>
        <environment exclude="Development">
            <script src="https://ajax.aspnetcdn.com/ajax/jquery/jquery-2.2.0.min.js"
                    asp-fallback-src="~/lib/jquery/dist/jquery.min.js"
                    asp-fallback-test="window.jQuery"
                    crossorigin="anonymous"
                    integrity="sha384-K+ctZQ+LL8q6tP7I94W+qzQsfRV2a+AfHIi9k8z8l9ggpc8X+Ytst4yBo/hH+8Fk">
            </script>
            <script src="https://ajax.aspnetcdn.com/ajax/bootstrap/3.3.7/bootstrap.min.js"
                    asp-fallback-src="~/lib/bootstrap/dist/js/bootstrap.min.js"
                    asp-fallback-test="window.jQuery && window.jQuery.fn && window.jQuery.fn.modal"
                    crossorigin="anonymous"
                    integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa">
            </script>
            <script src="~/js/site.min.js" asp-append-version="true"></script>
        </environment>
        <script>
            document.addEventListener('DOMContentLoaded', function () {
                sidebarInstance = document.getElementById('sidebar-menu').ej2_instances[0];

                document.getElementById('hamburger').onclick = function () {
                    sidebarInstance.toggle();
                };
            });


        </script>
        <ejs-scripts></ejs-scripts>
        @RenderSection("Scripts", required: false)
        <style>
  /* header-section styles */
            #header.header-section,
            #header .search-icon {
                height: 50px;
            }

            #hamburger.icon-menu {
                font-size: 24px;
                float: left;
                line-height: 50px;
                padding-top:8px;
            }

            #header .right-header {
                height: 35px;
                padding: 7px;
                float: right;
            }

            #header .list {
                list-style: none;
                cursor: pointer;
                font-size: 16px;
                line-height: 35px;
            }

            #header .header-list {
                padding-left: 15px;
                margin: 0;
            }

            @@media(max-width:500px) {
                #header .right-header.list.support,
                #header .right-header.list.tour {
                    display: none;
                }
            }

            /* text input styles */
            #header .search-icon {
                float: left;
                padding-left: 15px;
                border: 0px solid #33383e !important;
                background-color: #33383e;
                cursor: text;
                width: 5em;
            }

                #header .search-icon:focus {
                    outline: none;
                    cursor: default;
                }

            /* end of text input styles */
            /* end of header-section styles */

            /* content area styles */
            #maintext.main-content {
                height: 100vh;
                z-index: 1000;
            }

            #maintext .content {
                margin-top: 230px;
                text-align: center;
                font-size: 32px;
                color: #1784c7;
            }

            /* end of content area styles */

            /* menu styles */
            /* horizontal-menu styles */
            #header .header-list .horizontal-menu .e-menu-item {
                height: 35px;
                vertical-align: middle;
                font-size: 16px;
                line-height: 35px;
            }

            #header .e-menu-item .e-caret {
                line-height: 35px;
            }

            /* end of horizontal-menu styles */
            /* vertical-menu styles */

            #sidebar-menu .e-menu-wrapper ul .e-menu-item.e-menu-caret-icon {
                width: 220px;
            }

            #sidebar-menu .e-menu-wrapper ul .e-menu-item:hover, .e-menu-item.e-focused:hover {
                background-color: #3e454c !important;
            }

            /* end of vertical-menu styles */
            /* end of menu styles */

            /* Sidebar styles */
            /* docksidebar styles */
            .dock-menu .e-menu-wrapper ul .e-menu-item .e-caret,
            #header .search-icon,
            #sidebar-menu .action-btn,
            #header .e-menu-item .e-caret,
            .dock-menu .e-menu-wrapper ul .e-menu-item {
                color: #fff !important;
            }

            .dock-menu.e-close .e-menu-wrapper ul .e-menu-item {
                width: 50px;
            }

            .dock-menu.e-close ul .e-menu-item.e-menu-caret-icon {
                padding-right: 12px;
            }

            #sidebar-menu.e-dock.e-close .e-menu-wrapper ul .e-menu-item .e-caret,
            #sidebar-menu.e-dock.e-close .main-menu-header,
            #sidebar-menu.e-dock.e-close .action-btn {
                display: none;
            }

            #sidebar-menu.e-dock.e-close .e-menu-wrapper ul .e-menu-item.e-menu-caret-icon,
            #sidebar-menu.e-dock.e-close .e-menu-wrapper ul.e-vertical {
                min-width: 0;
                width: 50px !important;
            }

            #sidebar-menu.e-dock.e-close .e-menu-wrapper ul.e-menu {
                font-size: 0;
            }

            #sidebar-menu.e-dock.e-close .e-menu-item .e-menu-icon {
                font-size: 20px;
                padding: 0;
            }

            #sidebar-menu,
            #sidebar-menu ul,
            #header ul,
            .dock-menu .e-menu-wrapper,
            .dock-menu.e-menu-wrapper,
            .dock-menu.e-menu-wrapper ul > *,
            .dock-menu .e-menu-wrapper ul > * {
                background-color: #33383e !important;
                color: #fff !important;
                overflow: hidden;
            }

                /* end of docksidebar styles */
                /*end of  Sidebar styles */

                /*main-menu-header  styles */
                #sidebar-menu .main-menu-header {
                    padding: 4px 0px 0px 18px;
                    color: #656a70;
                }

                /*end of main-menu-header  styles */

                /*button styles */
                #sidebar-menu .action-btn {
                    margin-left: 16px;
                    width: 165px;
                    height: 30px;
                    font-size: 13px;
                    border-radius: 5px;
                }

                #sidebar-menu .action-btn {
                    background-color: #1784c7;
                }
            /* custom code start */
            /*end of button styles */

            .col-md-12, body {
                padding: 0;
            }

            #sidebar-menu {
                margin-left: -1px;
            }
            /*body styles */
            /* custom code end */
            /*end of body styles */

            /*icon styles */
            @@font-face {
                font-family: 'fontello';
                src: 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') format('truetype');
            }

            #sidebar-menu .icon-up-hand:before {
                content: '\e801';
            }

            #sidebar-menu .icon-bell-alt:before {
                content: '\e802';
            }

            #sidebar-menu .icon-user:before {
                content: '\e803';
            }

            #sidebar-menu .icon-picture:before {
                content: '\e804';
            }

            #sidebar-menu .icon-comment-alt:before {
                content: '\e805';
            }

            #sidebar-menu .icon-tag:before {
                content: '\e806';
            }

            #sidebar-menu .icon-comment-inv-alt2:before {
                content: '\e807';
            }

            #sidebar-menu .icon-eye:before {
                content: '\e808';
            }

            #sidebar-menu .icon-globe:before {
                content: '\e809';
            }

            #sidebar-menu .icon-bookmark-empty:before {
                content: '\e810';
            }

            #sidebar-menu .icon-bookmark:before {
                content: '\e811';
            }

            #header .icon-menu:before {
                content: '\e812';
            }

            #sidebar-menu .icon,
            #header #hamburger.icon-menu {
                font-family: 'fontello';
            }

            #sidebar-menu .e-menu-icon::before {
                color: #656a70;
            }

            /*icon styles */
        </style>
    </body>
</html>
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 Index()
        {
            List<object> mainMenuItems = new List<object>();
            mainMenuItems.Add(new
            {
                text = "Overview",
                iconCss = "icon-user icon",
                items = new List<object>()
                    {
                        new { text = "All Data" },
                        new { text = "Category2" },
                        new { text = "Category3" }
                    }
            });
            mainMenuItems.Add(new
            {
                text = "Notification",
                iconCss = "icon-bell-alt icon",
                items = new List<object>()
                    {
                        new { text = "Change Profile" },
                        new { text = "Add Name" },
                        new { text = "Add Details" }
                    }
            });
            mainMenuItems.Add(new
            {
                text = "Info",
                iconCss = "icon-tag icon",
                items = new List<object>()
                    {
                        new { text = "Message" },
                        new { text = "Facebook" },
                        new { text = "Twitter" }
                    }
            });
            mainMenuItems.Add(new
            {
                text = "Comments",
                iconCss = "icon-comment-inv-alt2 icon",
                items = new List<object>()
                    {
                        new { text = "Category1 " },
                        new { text = "Category2" },
                        new { text = "Category3" }
                    }
            });
            mainMenuItems.Add(new
            {
                text = "Bookmarks",
                iconCss = "icon-bookmark icon",
                items = new List<object>()
                    {
                        new { text = "All Comments" },
                        new { text = "Add Comments" },
                        new { text = "Delete Comments" }
                    }
            });
            mainMenuItems.Add(new
            {
                text = "Images",
                iconCss = "icon-picture icon",
                items = new List<object>()
                    {
                        new { text = "Add Name" },
                        new { text = "Add Mobile Number" }
                    }
            });
            mainMenuItems.Add(new
            {
                text = "Users",
                iconCss = "icon-user icon",
                items = new List<object>()
                    {
                        new { text = "Mobile User" },
                        new { text = "Laptop User" },
                        new { text = "Desktop User" }
                    }
            });
            mainMenuItems.Add(new
            {
                text = "Settings",
                iconCss = "icon-eye icon",
                items = new List<object>()
                    {
                        new { text = "Change Profile" },
                        new { text = "Add Name" },
                        new { text = "Add Details" }
                    }
            });
            mainMenuItems.Add(new
            {
                text = "Info",
                iconCss = "icon-tag icon",
                items = new List<object>()
                    {
                        new { text = "Facebook" },
                        new { text = "Mobile" }
                    }
            });
            ViewBag.mainMenuItems = mainMenuItems;

            List<object> AccountMenuItems = new List<object>();
            AccountMenuItems.Add(new
            {
                text = "Account",
                items = new List<object>()
                    {
                        new { text = "Profile" },
                        new { text = "Sign out" }
                    }
            });
            ViewBag.AccountMenuItems = AccountMenuItems;
            return View();
        }
    }
}
<div class="content">
    <div> Responsive Sidebar using Content Template</div>
</div>
<style>
    .content {
        margin-top: 15vw;
        text-align: center;
        font-size: 32px;
        color: #1784c7;
    }
</style>

Output be like the below.

Sidebar Sample