public KhachHangThanThiet GetDataFromRowSelected(string ID)
        {
            _connect.open();
            KhachHangThanThiet khtt = new KhachHangThanThiet();
            string             sql;

            sql = string.Format("SELECT * FROM KHACHHANGTHANTHIET WHERE MaKhachHang =  '{0}'", ID);
            SqlDataReader reader = _connect.GetDataFromRowSelected(sql);

            while (reader.Read())
            {
                khtt.MaKhachHang = reader[0].ToString();
                khtt.HoTen       = reader[1].ToString();
                khtt.DiaChi      = reader[2].ToString();
                khtt.CMND        = reader[3].ToString();
                khtt.NgayCapThe  = Convert.ToDateTime(reader[4].ToString());
                khtt.DiemThuong  = Convert.ToInt32(reader[5].ToString());
            }
            _connect.close();
            return(khtt);
        }