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()); }