public HomeController(IArtist artist, IArtWork artwork, IGroup group, IUserLogin userlogin)
 {
     _artist    = artist;
     _artwork   = artwork;
     _group     = group;
     _userlogin = userlogin;
 }
 public ArtDisplay([MetadataFilter("Age", 100)] IArtWork artWork)
 {
     artwork = artWork;
 }