public void Update(int MaLoaitv, string TenLoai, double?Uudai, DateTime?Ngaycapnhap, int?MaNVchinhsua)
        {
            LoaiThanhVien item = new LoaiThanhVien();

            item.MarkOld();
            item.IsLoaded = true;

            item.MaLoaitv = MaLoaitv;

            item.TenLoai = TenLoai;

            item.Uudai = Uudai;

            item.Ngaycapnhap = Ngaycapnhap;

            item.MaNVchinhsua = MaNVchinhsua;

            item.Save(UserName);
        }
        public LoaiThanhVien Update(LoaiThanhVien item2)
        {
            LoaiThanhVien item = new LoaiThanhVien();

            item.MarkOld();
            item.IsLoaded = true;

            item.MaLoaitv = item2.MaLoaitv;

            item.TenLoai = item2.TenLoai;

            item.Uudai = item2.Uudai;

            item.Ngaycapnhap = item2.Ngaycapnhap;

            item.MaNVchinhsua = item2.MaNVchinhsua;

            item.Save(UserName);
            return(item);
        }