public IActionResult About(string name, string title)
        {
            var users = name == null || name.Trim().Length < 1 ?
                        _usersService.GetAllUsers() :
                        _usersService.FindUsersWhoseNamesContain(name);

            var albums = title == null || title.Trim().Length < 1 ?
                         _albumsService.GetAllAlbums() :
                         _albumsService.FindAlbumsWhereTitleContains(title);

            ViewData["Message"] = "Your application description page.";
            ViewData["Users"]   = users;
            ViewData["Albums"]  = albums;

            return(View());
        }