public async Task <IActionResult> Get([FromRoute] int id, [FromQuery] Int32 hid = 0)
        {
            if (hid <= 0)
            {
                return(BadRequest("Not HID inputted"));
            }

            String usrName = String.Empty;

            if (Startup.UnitTestMode)
            {
                usrName = UnitTestUtility.UnitTestUser;
            }
            else
            {
                var usrObj = HIHAPIUtility.GetUserClaim(this);
                usrName = usrObj.Value;
            }
            if (String.IsNullOrEmpty(usrName))
            {
                return(BadRequest("User cannot recognize"));
            }

            FinanceLoanDocumentUIViewModel vm = new FinanceLoanDocumentUIViewModel();
            SqlConnection  conn        = null;
            SqlCommand     cmd         = null;
            SqlDataReader  reader      = null;
            String         queryString = "";
            String         strErrMsg   = "";
            HttpStatusCode errorCode   = HttpStatusCode.OK;

            try
            {
                queryString = HIHDBUtility.GetFinanceDocLoanQueryString(id, hid);

                using (conn = new SqlConnection(Startup.DBConnectionString))
                {
                    await conn.OpenAsync();

                    // Check Home assignment with current user
                    try
                    {
                        HIHAPIUtility.CheckHIDAssignment(conn, hid, usrName);
                    }
                    catch (Exception)
                    {
                        errorCode = HttpStatusCode.BadRequest;
                        throw;
                    }

                    cmd    = new SqlCommand(queryString, conn);
                    reader = cmd.ExecuteReader();

                    if (!reader.HasRows)
                    {
                        errorCode = HttpStatusCode.NotFound;
                        throw new Exception();
                    }

                    // Header
                    while (reader.Read())
                    {
                        HIHDBUtility.FinDocHeader_DB2VM(reader, vm);
                    }
                    reader.NextResult();

                    // Items
                    while (reader.Read())
                    {
                        FinanceDocumentItemUIViewModel itemvm = new FinanceDocumentItemUIViewModel();
                        HIHDBUtility.FinDocItem_DB2VM(reader, itemvm);

                        vm.Items.Add(itemvm);
                    }
                    reader.NextResult();

                    // Account
                    while (reader.Read())
                    {
                        FinanceAccountUIViewModel vmAccount = new FinanceAccountUIViewModel();
                        Int32 aidx = 0;
                        aidx = HIHDBUtility.FinAccountHeader_DB2VM(reader, vmAccount, aidx);
                        vmAccount.ExtraInfo_Loan = new FinanceAccountExtLoanViewModel();
                        HIHDBUtility.FinAccountLoan_DB2VM(reader, vmAccount.ExtraInfo_Loan, aidx);

                        vm.AccountVM = vmAccount;
                    }
                    reader.NextResult();

                    // Tmp docs
                    while (reader.Read())
                    {
                        FinanceTmpDocLoanViewModel loanvm = new FinanceTmpDocLoanViewModel();
                        HIHDBUtility.FinTmpDocLoan_DB2VM(reader, loanvm);
                        vm.AccountVM.ExtraInfo_Loan.LoanTmpDocs.Add(loanvm);
                    }
                    reader.NextResult();

                    // Tag
                    if (reader.HasRows)
                    {
                        while (reader.Read())
                        {
                            Int32  itemID = reader.GetInt32(0);
                            String sterm  = reader.GetString(1);

                            foreach (var vitem in vm.Items)
                            {
                                if (vitem.ItemID == itemID)
                                {
                                    vitem.TagTerms.Add(sterm);
                                }
                            }
                        }
                    }
                }
            }
            catch (Exception exp)
            {
                System.Diagnostics.Debug.WriteLine(exp.Message);
                strErrMsg = exp.Message;
                if (errorCode == HttpStatusCode.OK)
                {
                    errorCode = HttpStatusCode.InternalServerError;
                }
            }
            finally
            {
                if (reader != null)
                {
                    reader.Dispose();
                    reader = null;
                }
                if (cmd != null)
                {
                    cmd.Dispose();
                    cmd = null;
                }
                if (conn != null)
                {
                    conn.Dispose();
                    conn = null;
                }
            }

            if (errorCode != HttpStatusCode.OK)
            {
                switch (errorCode)
                {
                case HttpStatusCode.Unauthorized:
                    return(Unauthorized());

                case HttpStatusCode.NotFound:
                    return(NotFound());

                case HttpStatusCode.BadRequest:
                    return(BadRequest(strErrMsg));

                default:
                    return(StatusCode(500, strErrMsg));
                }
            }

            var setting = new Newtonsoft.Json.JsonSerializerSettings
            {
                DateFormatString = HIHAPIConstants.DateFormatPattern,
                ContractResolver = new Newtonsoft.Json.Serialization.CamelCasePropertyNamesContractResolver()
            };

            return(new JsonResult(vm, setting));
        }