private void detach_DivisionsGroups(DivisionsGroup entity)
 {
     this.SendPropertyChanging("DivisionsGroups");
     entity.Division = null;
 }
 partial void DeleteDivisionsGroup(DivisionsGroup instance);
 partial void InsertDivisionsGroup(DivisionsGroup instance);
 partial void UpdateDivisionsGroup(DivisionsGroup instance);
 private void attach_DivisionsGroups(DivisionsGroup entity)
 {
     this.SendPropertyChanging("DivisionsGroups");
     entity.Divisiongroup = this;
 }