partial void DeleteDanhMuc(DanhMuc instance);
partial void UpdateDanhMuc(DanhMuc instance);
private void detach_DanhMucs(DanhMuc entity) { this.SendPropertyChanging(); entity.NhomDM = null; }
partial void InsertDanhMuc(DanhMuc instance);
private void attach_DanhMucs(DanhMuc entity) { this.SendPropertyChanging(); entity.NhomDM = this; }