public static string TaoThuMucTuiHoSo(string maHoSo = "") { bool flag = string.IsNullOrEmpty(maHoSo); string result; if (flag) { result = string.Format("HS-T{0}-{1}", ManageBase.GetSoThuTuHoSo(), DateTime.Now.Year); } else { result = string.Format("HS-T{0}-{1}-{2}", ManageBase.GetSoThuTuHoSo(), maHoSo, DateTime.Now.Year); } return(result); }