The FileManager UI component can work with a file system located on the server. To connect the component with the file system items, assign the Remote File System Provider to the fileSystemProvider property. Pass the endpointUrl to the remote file system provider object to specify the Url at which the component can access the file system items.
Configure the built-in server-side helper methods to process the FileManager UI component's AJAX requests on the ASP.NET MVC and ASP.NET Core back-end:
This demo contains commented out code lines that enable file modification operations. You can uncomment them and configure if necessary.