public static void Delete(Business.ExhibitionInstrument exhibitionInstrument)
 {
     provider.Delete(exhibitionInstrument);
 }
 public static void Insert(Business.ExhibitionInstrument exhibitionInstrument)
 {
     provider.Insert(exhibitionInstrument);
 }
 public static void Update(Business.ExhibitionInstrument exhibitionInstrument)
 {
     provider.Update(exhibitionInstrument);
 }