//========================================================================== // GET: api/Musician/5 public vmMusician Get(int id) { if (ModelState.IsValid) { vmMusician vmM = service.GetMusicianById(id); if (vmM == null) { BadRequest("No musician exits inthe data base with the index of id."); return(null); } else { return(vmM); } } else { BadRequest("This data is not valid."); return(null); } }