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Physical File System


The File Manager widget can work with a file system located on the server. To connect the widget with the file system items, assign the Remote File Provider to the fileProvider option. Pass the endpointUrl to the remote file provider object to specify the Url at which the widget can access the file system items.

Configure the built-in server-side helper methods to process the FileManager widget's AJAX requests on the ASP.NET MVC and ASP.NET Core backend.

  1. Create an instance of the FileSystemConfiguration class to create a file provider and configure its interaction with file system items.
  2. Use the FileSystemProvider property to specify a file system provider. For a physical file system, configure a file provider of the DefaultFileProvider type.
  3. Use the FileSystemCommandProcessor class to process commands and request parameters that the widget passes to the file system.

This demo contains commented out code lines that enable file modification operations. You can uncomment them and configure if necessary.

@(Html.DevExtreme().FileManager() .FileProvider(provider => provider.Remote() .Url(Url.RouteUrl("FileManagementFileSystemApi"))) .Permissions(permissions => { permissions.Download(true); // uncomment the code below to enable file/folder management // permissions.Create(true); // permissions.Copy(true); // permissions.Move(true); // permissions.Remove(true); // permissions.Rename(true); // permissions.Upload(true); }) .AllowedFileExtensions(new[] { ".js", ".json", ".css" }))
using DevExtreme.NETCore.Demos.Models.FileManagement; using Microsoft.AspNetCore.Mvc; namespace DevExtreme.NETCore.Demos.Controllers { public class FileManagerController : Controller { public IActionResult BindingToFileSystem() { return View(); } } }
using DevExtreme.AspNet.Mvc.FileManagement; using Microsoft.AspNetCore.Hosting; using Microsoft.AspNetCore.Mvc; namespace DevExtreme.NETCore.Demos.Controllers { public class FileManagerScriptsApiController : Controller { IHostingEnvironment _hostingEnvironment; public FileManagerScriptsApiController(IHostingEnvironment hostingEnvironment) { _hostingEnvironment = hostingEnvironment; } [Route("api/file-manager-file-system", Name = "FileManagementFileSystemApi")] public object FileSystem(FileSystemCommand command, string arguments) { var config = new FileSystemConfiguration { Request = Request, FileSystemProvider = new DefaultFileProvider(_hostingEnvironment.ContentRootPath + "/wwwroot"), //uncomment the code below to enable file/folder management //AllowCopy = true, //AllowCreate = true, //AllowMove = true, //AllowRemove = true, //AllowRename = true, //AllowUpload = true, AllowDownload = true, AllowedFileExtensions = new[] { ".js", ".json", ".css" } }; var processor = new FileSystemCommandProcessor(config); var result = processor.Execute(command, arguments); return result.GetClientCommandResult(); } } }