public void SavePlay(Play play)
 {
     if (play.Id == 0)
         context.Plays.Add(play);
     else
         context.Entry(play).State = EntityState.Modified;
     context.SaveChanges();
 }
 public void DeletePlay(Play play)
 {
     context.Plays.Remove(play);
     context.SaveChanges();
 }
 public void AddPlay(Play play)
 {
     context.Plays.Add(play);
     context.SaveChanges();
 }