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Render FileManager in Internet Explorer in ASP.NET Core FileManager control

In the Internet Explorer browser, ES6 promise polyfills are required to run the file manager component. Click this link to learn more about the EJ2 components browser compatibility.

To render the file manager component in Internet Explorer browser, add the ES6 promise polyfill script above the Syncfusion Essential JS 2 Scripts in layout page.

   <head>
      <!-- ES6 Promise polyfill  -->
      <script src="https://cdn.polyfill.io/v2/polyfill.min.js"></script>
      <!-- Syncfusion Essential JS 2 Scripts -->
      <script src="https://cdn.syncfusion.com/ej2/dist/ej2.min.js"></script>
   </head>

After adding the script file in layout page, render the file manager component. The following example shows how to render the file manager in IE browser.

tagHelper
HomeController_core.cs
HomeController_mvc.cs
Layout.cshtml
Layout_mvc.cshtml
<div class=" control-section">
    <div class="sample-container">
        <!-- Declare filemanager element -->
        <ejs-filemanager id="filemanager">
            <e-filemanager-ajaxsettings url="/Home/FileOperations"
                                        downloadUrl="/Home/Download"
                                        uploadUrl="/Home/Upload"
                                        getImageUrl="/Home/GetImage">
            </e-filemanager-ajaxsettings>
        </ejs-filemanager>
        <!-- end of filemanager element -->
    </div>
</div>
using System;
using System.Collections.Generic;
using System.Linq;
//File Manager's base functions are available in the below package
using Syncfusion.EJ2.FileManager.Base;
//File Manager's operations are available in the below package
using Syncfusion.EJ2.FileManager.PhysicalFileProvider;
using Newtonsoft.Json;
// use the package for hosting
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Http.Features;

namespace WebApplication.Controllers
{
    public class HomeController : Controller
    {
        public PhysicalFileProvider operation;
        public string basePath;
        // Root Path in which files and folders are available.
        string root = "wwwroot\\Files";
        public HomeController(IHostingEnvironment hostingEnvironment)
        {
            // Map the path of the files to be accessed with the host
            this.basePath = hostingEnvironment.ContentRootPath;
            this.operation = new PhysicalFileProvider();
            // Assign the mapped path as root folder
            this.operation.RootFolder(this.basePath + "\\" + this.root);
        }

        public object FileOperations([FromBody] FileManagerDirectoryContent args)
        {
            // Restricting modification of the root folder
            if (args.Action == "delete" || args.Action == "rename")
            {
                if ((args.TargetPath == null) && (args.Path == ""))
                {
                    FileManagerResponse response = new FileManagerResponse();
                    ErrorDetails er = new ErrorDetails
                    {
                        Code = "401",
                        Message = "Restricted to modify the root folder."
                    };
                    response.Error = er;
                    return this.operation.ToCamelCase(response);
                }
            }
            // Processing the File Manager operations
            switch (args.Action)
            {
                case "read":
                    // Path - Current path; ShowHiddenItems - Boolean value to show/hide hidden items
                    return this.operation.ToCamelCase(this.operation.GetFiles(args.Path, args.ShowHiddenItems));
                case "delete":
                    // Path - Current path where of the folder to be deleted; Names - Name of the files to be deleted
                    return this.operation.ToCamelCase(this.operation.Delete(args.Path, args.Names));
                case "copy":
                    //  Path - Path from where the file was copied; TargetPath - Path where the file/folder is to be copied; RenameFiles - Files with same name in the copied location that is confirmed for renaming; TargetData - Data of the copied file
                    return this.operation.ToCamelCase(this.operation.Copy(args.Path, args.TargetPath, args.Names, args.RenameFiles, args.TargetData));
                case "move":
                    // Path - Path from where the file was cut; TargetPath - Path where the file/folder is to be moved; RenameFiles - Files with same name in the moved location that is confirmed for renaming; TargetData - Data of the moved file
                    return this.operation.ToCamelCase(this.operation.Move(args.Path, args.TargetPath, args.Names, args.RenameFiles, args.TargetData));
                case "details":
                    // Path - Current path where details of file/folder is requested; Name - Names of the requested folders
                    return this.operation.ToCamelCase(this.operation.Details(args.Path, args.Names));
                case "create":
                    // Path - Current path where the folder is to be created; Name - Name of the new folder
                    return this.operation.ToCamelCase(this.operation.Create(args.Path, args.Name));
                case "search":
                    // Path - Current path where the search is performed; SearchString - String typed in the searchbox; CaseSensitive - Boolean value which specifies whether the search must be casesensitive
                    return this.operation.ToCamelCase(this.operation.Search(args.Path, args.SearchString, args.ShowHiddenItems, args.CaseSensitive));
                case "rename":
                    // Path - Current path of the renamed file; Name - Old file name; NewName - New file name
                    return this.operation.ToCamelCase(this.operation.Rename(args.Path, args.Name, args.NewName));
            }
            return null;
        }

        

        // Processing the Upload operation
        public IActionResult Upload(string path, IList<IFormFile> uploadFiles, string action)
        {
            // Here we have restricted the upload operation for our online samples
            if (Response.HttpContext.Request.Host.Value == "ej2.syncfusion.com")
            {
                Response.Clear();
                Response.ContentType = "application/json; charset=utf-8";
                Response.StatusCode = 403;
                Response.HttpContext.Features.Get<IHttpResponseFeature>().ReasonPhrase = "File Manager's upload functionality is restricted in the online demo. If you need to test upload functionality, please install Syncfusion Essential Studio on your machine and run the demo";
            }
            // Use below code for performing upload operation
            else
            {
                FileManagerResponse uploadResponse;
                //Invoking upload operation with the required paramaters
                // path - Current path where the file is to uploaded; uploadFiles - Files to be uploaded; action - name of the operation(upload)
                uploadResponse = operation.Upload(path, uploadFiles, action, null);
            }
            return Content("");
        }
        // Processing the Download operation
        public IActionResult Download(string downloadInput)
        {
            FileManagerDirectoryContent args = JsonConvert.DeserializeObject<FileManagerDirectoryContent>(downloadInput);
            //Invoking download operation with the required paramaters
            // path - Current path where the file is downloaded; Names - Files to be downloaded;
            return operation.Download(args.Path, args.Names);
        }
        // Processing the GetImage operation
        public IActionResult GetImage(FileManagerDirectoryContent args)
        {
            //Invoking GetImage operation with the required paramaters
            // path - Current path of the image file; Id - Image file id;
            return this.operation.GetImage(args.Path, args.Id, false, null, null);
        }
        public IActionResult Index()
        {
            return View();
        }
    }
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web.Mvc;
//File Manager's base functions are available in the below package
using Syncfusion.EJ2.FileManager.Base;
//File Manager's operations are available in the below package
using Syncfusion.EJ2.FileManager.PhysicalFileProvider;
using Newtonsoft.Json;
// Use the package for hosting
using System.Web.Hosting;


namespace WebApplication.Controllers
{
    public class HomeController : Controller
    {
        // Accessing the File Operations from File Manager package
        PhysicalFileProvider operation = new PhysicalFileProvider();
        public HomeController()
        {
            // Map the path of the files to be accessed with the host
            var path = HostingEnvironment.MapPath("~/Content/Files");
            // Assign the mapped path as root folder
            operation.RootFolder(path);
        }
        public ActionResult FileOperations(FileManagerDirectoryContent args)
        {
            // Processing the File Manager operations
            switch (args.Action)
            {
                case "read":
                    // Path - Current path; ShowHiddenItems - Boolean value to show/hide hidden items
                    return Json(operation.ToCamelCase(operation.GetFiles(args.Path, args.ShowHiddenItems)));
                case "delete":
                    // Path - Current path where of the folder to be deleted; Names - Name of the files to be deleted
                    return Json(operation.ToCamelCase(operation.Delete(args.Path, args.Names)));
                case "copy":
                    //  Path - Path from where the file was copied; TargetPath - Path where the file/folder is to be copied; RenameFiles - Files with same name in the copied location that is confirmed for renaming; TargetData - Data of the copied file
                    return Json(operation.ToCamelCase(operation.Copy(args.Path, args.TargetPath, args.Names, args.RenameFiles, args.TargetData)));
                case "move":
                    // Path - Path from where the file was cut; TargetPath - Path where the file/folder is to be moved; RenameFiles - Files with same name in the moved location that is confirmed for renaming; TargetData - Data of the moved file
                    return Json(operation.ToCamelCase(operation.Move(args.Path, args.TargetPath, args.Names, args.RenameFiles, args.TargetData)));
                case "details":
                    if (args.Names == null)
                    {
                        args.Names = new string[] { };
                    }
                    // Path - Current path where details of file/folder is requested; Name - Names of the requested folders
                    return Json(operation.ToCamelCase(operation.Details(args.Path, args.Names)));
                case "create":
                    // Path - Current path where the folder is to be created; Name - Name of the new folder
                    return Json(operation.ToCamelCase(operation.Create(args.Path, args.Name)));
                case "search":
                    // Path - Current path where the search is performed; SearchString - String typed in the searchbox; CaseSensitive - Boolean value which specifies whether the search must be casesensitive
                    return Json(operation.ToCamelCase(operation.Search(args.Path, args.SearchString, args.ShowHiddenItems, args.CaseSensitive)));
                case "rename":
                    // Path - Current path of the renamed file; Name - Old file name; NewName - New file name
                    return Json(operation.ToCamelCase(operation.Rename(args.Path, args.Name, args.NewName)));
            }
            return null;
        }

        // Processing the Upload operation
        public ActionResult Upload(string path, IList<System.Web.HttpPostedFileBase> uploadFiles, string action)
        {
            FileManagerResponse uploadResponse;
            //Invoking upload operation with the required paramaters
            // path - Current path where the file is to uploaded; uploadFiles - Files to be uploaded; action - name of the operation(upload)
            uploadResponse = operation.Upload(path, uploadFiles, action, null);

            return Content("");
        }
        // Processing the Download operation
        public ActionResult Download(string downloadInput)
        {
            FileManagerDirectoryContent args = JsonConvert.DeserializeObject<FileManagerDirectoryContent>(downloadInput);
            //Invoking download operation with the required paramaters
            // path - Current path where the file is downloaded; Names - Files to be downloaded;
            return operation.Download(args.Path, args.Names);
        }
        // Processing the GetImage operation
        public ActionResult GetImage(FileManagerDirectoryContent args)
        {
            //Invoking GetImage operation with the required paramaters
            // path - Current path of the image file; Id - Image file id;
            return operation.GetImage(args.Path, args.Id, false, null, null);
        }
        public ActionResult Index()
        {
            return View();
        }
    }
}
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>@ViewData["Title"] - File_Manager</title>
    <!-- Syncfusion Essential JS 2 Styles -->
    <link rel="stylesheet" href="https://cdn.syncfusion.com/ej2/material.css" />
    <!-- ES6 Promise polyfill  -->
    <script src="https://cdn.polyfill.io/v2/polyfill.min.js"></script>
    <!-- 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://stackpath.bootstrapcdn.com/bootstrap/3.4.1/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>
    <nav class="navbar navbar-inverse navbar-fixed-top">
        <div class="container">
            <div class="navbar-header">
                <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
                    <span class="sr-only">Toggle navigation</span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                </button>
                <a asp-area="" asp-controller="Home" asp-action="Index" class="navbar-brand">File_Manager</a>
            </div>
            <div class="navbar-collapse collapse">
                <ul class="nav navbar-nav">
                    <li><a asp-area="" asp-controller="Home" asp-action="Index">Home</a></li>
                    <li><a asp-area="" asp-controller="Home" asp-action="About">About</a></li>
                    <li><a asp-area="" asp-controller="Home" asp-action="Contact">Contact</a></li>
                </ul>
            </div>
        </div>
    </nav>

    <partial name="_CookieConsentPartial" />

    <div class="container body-content">
        @RenderBody()
        <hr />
        <footer>
            <p>&copy; 2019 - File_Manager</p>
        </footer>
    </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-3.3.1.min.js"
                asp-fallback-src="~/lib/jquery/dist/jquery.min.js"
                asp-fallback-test="window.jQuery"
                crossorigin="anonymous"
                integrity="sha384-tsQFqpEReu7ZLhBV2VZlAu7zcOV+rXbYlF2cqB8txI/8aZajjp4Bqd+V6D5IgvKT">
        </script>
        <script src="https://stackpath.bootstrapcdn.com/bootstrap/3.4.1/js/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-aJ21OjlMXNL5UyIl/XNwTMqvzeRMZH2w8c5cRVpzpU8Y5bApTppSuUkhZXN0VxHd">
        </script>
        <script src="~/js/site.min.js" asp-append-version="true"></script>
    </environment>
      <ejs-scripts></ejs-scripts>
    @RenderSection("Scripts", required: false)
</body>
</html>
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>@ViewBag.Title - My ASP.NET Application</title>
    <!-- Syncfusion Essential JS 2 Styles -->
    <link rel="stylesheet" href="https://cdn.syncfusion.com/ej2/material.css" />
    <!-- ES6 Promise polyfill  -->
    <script src="https://cdn.polyfill.io/v2/polyfill.min.js"></script>
    <!-- Syncfusion Essential JS 2 Scripts -->
    <script src="https://cdn.syncfusion.com/ej2/dist/ej2.min.js"></script>
    @Styles.Render("~/Content/css")
    @Scripts.Render("~/bundles/modernizr")
</head>
<body>
    <div class="navbar navbar-inverse navbar-fixed-top">
        <div class="container">
            <div class="navbar-header">
                <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                </button>
                @Html.ActionLink("Application name", "Index", "Home", new { area = "" }, new { @class = "navbar-brand" })
            </div>
            <div class="navbar-collapse collapse">
                <ul class="nav navbar-nav">
                    <li>@Html.ActionLink("Home", "Index", "Home")</li>
                    <li>@Html.ActionLink("About", "About", "Home")</li>
                    <li>@Html.ActionLink("Contact", "Contact", "Home")</li>
                </ul>
            </div>
        </div>
    </div>
    <div class="container body-content">
        @RenderBody()
        <hr />
        <footer>
            <p>&copy; @DateTime.Now.Year - My ASP.NET Application</p>
        </footer>
    </div>
    @Html.EJS().ScriptManager()
    @Scripts.Render("~/bundles/jquery")
    @Scripts.Render("~/bundles/bootstrap")
    @RenderSection("scripts", required: false)
</body>
</html>

Output be like the below.

FileManager largeicons view