public IHttpActionResult GetLabSheetWithID([FromUri] int LabSheetID, [FromUri] string lang = "en", [FromUri] string extra = "")
        {
            using (CSSPDBContext db = new CSSPDBContext(DatabaseType))
            {
                LabSheetService labSheetService = new LabSheetService(new Query()
                {
                    Language = (lang == "fr" ? LanguageEnum.fr : LanguageEnum.en)
                }, db, ContactID);

                labSheetService.Query = labSheetService.FillQuery(typeof(LabSheet), lang, 0, 1, "", "", extra);

                if (labSheetService.Query.Extra == "A")
                {
                    LabSheetExtraA labSheetExtraA = new LabSheetExtraA();
                    labSheetExtraA = labSheetService.GetLabSheetExtraAWithLabSheetID(LabSheetID);

                    if (labSheetExtraA == null)
                    {
                        return(NotFound());
                    }

                    return(Ok(labSheetExtraA));
                }
                else if (labSheetService.Query.Extra == "B")
                {
                    LabSheetExtraB labSheetExtraB = new LabSheetExtraB();
                    labSheetExtraB = labSheetService.GetLabSheetExtraBWithLabSheetID(LabSheetID);

                    if (labSheetExtraB == null)
                    {
                        return(NotFound());
                    }

                    return(Ok(labSheetExtraB));
                }
                else
                {
                    LabSheet labSheet = new LabSheet();
                    labSheet = labSheetService.GetLabSheetWithLabSheetID(LabSheetID);

                    if (labSheet == null)
                    {
                        return(NotFound());
                    }

                    return(Ok(labSheet));
                }
            }
        }
        public IHttpActionResult GetLabSheetList([FromUri] string lang = "en", [FromUri] int skip  = 0, [FromUri] int take      = 200,
                                                 [FromUri] string asc  = "", [FromUri] string desc = "", [FromUri] string where = "", [FromUri] string extra = "")
        {
            using (CSSPDBContext db = new CSSPDBContext(DatabaseType))
            {
                LabSheetService labSheetService = new LabSheetService(new Query()
                {
                    Lang = lang
                }, db, ContactID);

                if (extra == "A") // QueryString contains [extra=A]
                {
                    labSheetService.Query = labSheetService.FillQuery(typeof(LabSheetExtraA), lang, skip, take, asc, desc, where, extra);

                    if (labSheetService.Query.HasErrors)
                    {
                        return(Ok(new List <LabSheetExtraA>()
                        {
                            new LabSheetExtraA()
                            {
                                HasErrors = labSheetService.Query.HasErrors,
                                ValidationResults = labSheetService.Query.ValidationResults,
                            },
                        }.ToList()));
                    }
                    else
                    {
                        return(Ok(labSheetService.GetLabSheetExtraAList().ToList()));
                    }
                }
                else if (extra == "B") // QueryString contains [extra=B]
                {
                    labSheetService.Query = labSheetService.FillQuery(typeof(LabSheetExtraB), lang, skip, take, asc, desc, where, extra);

                    if (labSheetService.Query.HasErrors)
                    {
                        return(Ok(new List <LabSheetExtraB>()
                        {
                            new LabSheetExtraB()
                            {
                                HasErrors = labSheetService.Query.HasErrors,
                                ValidationResults = labSheetService.Query.ValidationResults,
                            },
                        }.ToList()));
                    }
                    else
                    {
                        return(Ok(labSheetService.GetLabSheetExtraBList().ToList()));
                    }
                }
                else // QueryString has no parameter [extra] or extra is empty
                {
                    labSheetService.Query = labSheetService.FillQuery(typeof(LabSheet), lang, skip, take, asc, desc, where, extra);

                    if (labSheetService.Query.HasErrors)
                    {
                        return(Ok(new List <LabSheet>()
                        {
                            new LabSheet()
                            {
                                HasErrors = labSheetService.Query.HasErrors,
                                ValidationResults = labSheetService.Query.ValidationResults,
                            },
                        }.ToList()));
                    }
                    else
                    {
                        return(Ok(labSheetService.GetLabSheetList().ToList()));
                    }
                }
            }
        }