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Multiple Sidebar in ASP.NET MVC Sidebar control

Two Sidebars can be initialized in a web page with same main content. Sidebars can be initialized on right side or left side of the main content using position property.

The HTML element with class name e-main-content will be considered as the main content and both the Sidebars will behave as side content to this main content area of a web page.

In the following sample, more than one sidebar is rendered based on position property.

razor
multiple.cs
<!-- sidebar element declaration -->
@{Html.EJS().Sidebar("default-sidebar").Type(Syncfusion.EJ2.Navigations.SidebarType.Push).Width("280px").ContentTemplate(@<div>
    <div class="title"> Left Sidebar content</div>
</div>).Render();
}
@{Html.EJS().Sidebar("default-sidebar1").Type(Syncfusion.EJ2.Navigations.SidebarType.Push).Width("280px").Position(Syncfusion.EJ2.Navigations.SidebarPosition.Right).ContentTemplate(@<div>
    <div class="title"> Right Sidebar content</div>
</div>).Render();
}
<!-- end of sidebar element -->
<!-- main content declaration -->
<div>
    <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 -->
        @Html.EJS().Button("toggle").Content("Left Toggle Sidebar").CssClass("e-info").Render()
        @Html.EJS().Button("toggle1").Content("Right Toggle Sidebar").CssClass("e-info").Render()
    </div>
</div>

<script type="text/javascript">
    document.addEventListener('DOMContentLoaded', function () {
        // Toggle button to close and open the sidebar
        document.getElementById('toggle').onclick = function () {
            var defaultSidebar = document.getElementById("default-sidebar").ej2_instances[0];
            defaultSidebar.toggle();
        }
        // Close the sidebar
        document.getElementById('toggle1').onclick = function () {
            var defaultSidebar1 = document.getElementById("default-sidebar1").ej2_instances[0];
            defaultSidebar1.toggle();
        }
    });
</script>

<style>
    /* sample level styles */
    .center-align {
        text-align: center;
        padding: 20px;
    }

    .title {
        text-align: center;
        font-size: 20px;
        padding: 15px;
    }

    .sub-title {
        text-align: center;
        font-size: 16px;
        padding: 10px;
    }
    /* Button styles */
    #close, #close:hover, #close:active, #close:focus { /* csslint allow: adjoining-classes*/
        background: #fafafa;
        color: black
    }
    /* sidebar element styles */
    #default-sidebar {
        background-color: rgb(25, 118, 210);
        color: #ffffff;
    }

    #default-sidebar1 {
        background-color: rgb(25, 118, 210);
        color: #ffffff;
    }
</style>
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 multiple()
        {
            return View();
        }
    }
}

Output be like the below.

Sidebar Sample