Exemple #1
0
        public void GetContracts(string CmdQueryText, ContractAdvancedSearchViewModel AdvancedSearchViewModel)
        {
            Nullable <int> T_Id;
            string         U_Id;
            MyDbContext    db = new MyDbContext();

            //-- For creating the SqlConnection we’ll use the constructor that takes a (connection)string as input parameter.
            //--I’ve wrapped the SqlConnection in a using block. This ensures that the connection is actually closed once we’re done with it.
            //--Make sure you actually open the connection only when needed.
            using (SqlConnection connection = new SqlConnection("Data Source=(LocalDb)\\MSSQLLocalDB;AttachDbFilename=|DataDirectory|\\DefaultConnection.mdf;Initial Catalog=DefaultConnection;Integrated Security=True;MultipleActiveResultSets=True"))
                using (SqlCommand cmd = new SqlCommand(CmdQueryText, connection))
                {
                    connection.Open();
                    using (SqlDataReader reader = cmd.ExecuteReader())
                    {
                        // Check is the reader has any rows at all before starting to read.
                        if (reader.HasRows)
                        {
                            // Read advances to the next row.
                            while (reader.Read())
                            {
                                Contract Contract = new Contract();
                                // To avoid unexpected bugs access columns by name.
                                Contract.Id                  = reader.GetInt32(reader.GetOrdinal("Id"));
                                Contract.IntContractNum      = reader.IsDBNull(reader.GetOrdinal("IntContractNum")) ? null : reader.GetString(reader.GetOrdinal("IntContractNum"));
                                Contract.ExtContractNum      = reader.IsDBNull(reader.GetOrdinal("ExtContractNum")) ? null : reader.GetString(reader.GetOrdinal("ExtContractNum"));
                                Contract.ContractValue       = reader.IsDBNull(reader.GetOrdinal("ContractValue")) ? (Nullable <double>)null : reader.GetDouble(reader.GetOrdinal("ContractValue"));
                                Contract.Tax                 = reader.IsDBNull(reader.GetOrdinal("Tax")) ? (Nullable <double>)null : reader.GetDouble(reader.GetOrdinal("Tax"));
                                Contract.AnnualValue         = reader.IsDBNull(reader.GetOrdinal("AnnualValue")) ? (Nullable <double>)null : reader.GetDouble(reader.GetOrdinal("AnnualValue"));
                                Contract.PaymentBegin        = reader.IsDBNull(reader.GetOrdinal("PaymentBegin")) ? (Nullable <DateTime>)null : reader.GetDateTime(reader.GetOrdinal("PaymentBegin"));
                                Contract.PaymentInterval     = reader.IsDBNull(reader.GetOrdinal("PaymentInterval")) ? (Nullable <int>)null : reader.GetInt32(reader.GetOrdinal("PaymentInterval"));
                                Contract.ContractBegin       = reader.IsDBNull(reader.GetOrdinal("ContractBegin")) ? (Nullable <DateTime>)null : reader.GetDateTime(reader.GetOrdinal("ContractBegin"));
                                Contract.MinContractDuration = reader.IsDBNull(reader.GetOrdinal("MinContractDuration")) ? (Nullable <int>)null : reader.GetInt32(reader.GetOrdinal("MinContractDuration"));
                                Contract.ContractEnd         = reader.IsDBNull(reader.GetOrdinal("ContractEnd")) ? (Nullable <DateTime>)null : reader.GetDateTime(reader.GetOrdinal("ContractEnd"));
                                Contract.Description         = reader.GetString(reader.GetOrdinal("Description"));
                                Contract.AutoExtension       = reader.IsDBNull(reader.GetOrdinal("AutoExtension")) ? (Nullable <int>)null : reader.GetInt32(reader.GetOrdinal("AutoExtension"));
                                Contract.Remarks             = reader.IsDBNull(reader.GetOrdinal("Remarks")) ? null : reader.GetString(reader.GetOrdinal("Remarks"));
                                //Contract.CancellationPeriod = reader.IsDBNull(reader.GetOrdinal("CancellationPeriod")) ? (Nullable<int>)null : reader.GetInt32(reader.GetOrdinal("CancellationPeriod"));
                                Contract.PrePayable             = reader.IsDBNull(reader.GetOrdinal("PrePayable")) ? (Nullable <bool>)null : reader.GetBoolean(reader.GetOrdinal("PrePayable"));
                                Contract.VarPayable             = reader.IsDBNull(reader.GetOrdinal("VarPayable")) ? (Nullable <bool>)null : reader.GetBoolean(reader.GetOrdinal("VarPayable"));
                                Contract.Adaptable              = reader.IsDBNull(reader.GetOrdinal("Adaptable")) ? (Nullable <bool>)null : reader.GetBoolean(reader.GetOrdinal("Adaptable"));
                                Contract.IsFrameContract        = reader.IsDBNull(reader.GetOrdinal("IsFrameContract")) ? (Nullable <bool>)null : reader.GetBoolean(reader.GetOrdinal("IsFrameContract"));
                                Contract.DepartmentId           = reader.IsDBNull(reader.GetOrdinal("DepartmentId")) ? (Nullable <int>)null : reader.GetInt32(reader.GetOrdinal("DepartmentId"));
                                Contract.SupervisorDepartmentId = reader.IsDBNull(reader.GetOrdinal("SupervisorDepartmentId")) ? (Nullable <int>)null : reader.GetInt32(reader.GetOrdinal("SupervisorDepartmentId"));

                                //Owner
                                U_Id           = reader.IsDBNull(reader.GetOrdinal("OwnerId")) ? null : reader.GetString(reader.GetOrdinal("OwnerId"));
                                Contract.Owner = db.Users.SingleOrDefault(s => s.Id == U_Id);
                                U_Id           = null;
                                //Dispatcher
                                U_Id = reader.IsDBNull(reader.GetOrdinal("DispatcherId")) ? null : reader.GetString(reader.GetOrdinal("DispatcherId"));
                                Contract.Dispatcher = db.Users.SingleOrDefault(s => s.Id == U_Id);
                                U_Id = null;
                                //Signer
                                U_Id            = reader.IsDBNull(reader.GetOrdinal("SignerId")) ? null : reader.GetString(reader.GetOrdinal("SignerId"));
                                Contract.Signer = db.Users.SingleOrDefault(s => s.Id == U_Id);
                                U_Id            = null;


                                //ContractStatus
                                T_Id = (reader.IsDBNull(reader.GetOrdinal("ContractStatus_Id")) ? (Nullable <int>)null : reader.GetInt32(reader.GetOrdinal("ContractStatus_Id")));
                                Contract.ContractStatus = db.ContractStatuses.SingleOrDefault(s => s.Id == T_Id);
                                T_Id = null;

                                //ContractKind
                                T_Id = reader.IsDBNull(reader.GetOrdinal("ContractKind_Id")) ? (Nullable <int>)null : reader.GetInt32(reader.GetOrdinal("ContractKind_Id"));
                                Contract.ContractKind = db.ContractKinds.SingleOrDefault(s => s.Id == T_Id);
                                T_Id = null;

                                // ContractType
                                T_Id = reader.IsDBNull(reader.GetOrdinal("ContractType_Id")) ? (Nullable <int>)null : reader.GetInt32(reader.GetOrdinal("ContractType_Id"));
                                Contract.ContractType = db.ContractTypes.SingleOrDefault(s => s.Id == T_Id);
                                T_Id = null;

                                //ContractSubType
                                T_Id = reader.IsDBNull(reader.GetOrdinal("ContractSubType_Id")) ? (Nullable <int>)null : reader.GetInt32(reader.GetOrdinal("ContractSubType_Id"));
                                ContractSubType Subtype = db.ContractSubTypes.SingleOrDefault(s => s.Id == T_Id);
                                Contract.ContractSubType = Subtype;
                                T_Id = null;

                                //CostCenter
                                //T_Id = reader.IsDBNull(reader.GetOrdinal("CostCenter_Id")) ? (Nullable<int>)null : reader.GetInt32(reader.GetOrdinal("CostCenter_Id"));
                                //Contract.CostCenter = db.CostCenters.SingleOrDefault(s => s.Id == T_Id);
                                //T_Id = null;

                                // CostKind
                                T_Id = reader.IsDBNull(reader.GetOrdinal("CostKind_Id")) ? (Nullable <int>)null : reader.GetInt32(reader.GetOrdinal("CostKind_Id"));
                                Contract.CostKind = db.CostKinds.SingleOrDefault(s => s.Id == T_Id);
                                T_Id = null;

                                //ContractPartner
                                T_Id = reader.IsDBNull(reader.GetOrdinal("ContractPartner_Id")) ? (Nullable <int>)null : reader.GetInt32(reader.GetOrdinal("ContractPartner_Id"));
                                Contract.ContractPartner = db.ContractPartners.SingleOrDefault(s => s.Id == T_Id);
                                T_Id = null;

                                Contracts.Add(Contract);
                            }
                        }
                    }
                }
            AdvancedSearchViewModel.Contracts = Contracts;
        }
Exemple #2
0
        public string GenerateQuery(ContractAdvancedSearchViewModel AdvancedSearchViewModel)
        {
            string CmdQueryText;
            string CmdQueryTextSub;
            int    counter = 0;

            if (AdvancedSearchViewModel != null)
            {
                CmdQueryText    = "SELECT * FROM Contracts";
                CmdQueryTextSub = " WHERE ";

                //Description
                if (!string.IsNullOrEmpty(AdvancedSearchViewModel.Description))
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " Description LIKE '%" + AdvancedSearchViewModel.Description + "%' ";//won't use an index, it will do a full table scan every time.
                        counter++;
                    }
                }

                //Remarks
                if (!string.IsNullOrEmpty(AdvancedSearchViewModel.Remarks))
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " Remarks LIKE '%" + AdvancedSearchViewModel.Remarks + "%' ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND Remarks LIKE '%" + AdvancedSearchViewModel.Remarks + "%' ";
                    }
                }

                //Department
                if (AdvancedSearchViewModel.DepartmentId.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " DepartmentId = " + AdvancedSearchViewModel.DepartmentId + " ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND DepartmentId = " + AdvancedSearchViewModel.DepartmentId + " ";
                    }
                }

                //ContractStatus
                if (AdvancedSearchViewModel.ContractStatusId.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " ContractStatus_Id = " + AdvancedSearchViewModel.ContractStatusId + " ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND ContractStatus_Id = " + AdvancedSearchViewModel.ContractStatusId + " ";
                    }
                }

                //ContractKind
                if (AdvancedSearchViewModel.ContractKindId.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " ContractKind_Id = " + AdvancedSearchViewModel.ContractKindId + " ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND ContractKind_Id = " + AdvancedSearchViewModel.ContractKindId + " ";
                    }
                }

                //ContractType
                if (AdvancedSearchViewModel.ContractTypeId.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " ContractType_Id = " + AdvancedSearchViewModel.ContractTypeId + " ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND ContractType_Id = " + AdvancedSearchViewModel.ContractTypeId + " ";
                    }
                }

                //ContractSubType
                if (AdvancedSearchViewModel.ContractSubTypeId.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " ContractSubType_Id = " + AdvancedSearchViewModel.ContractSubTypeId + " ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND ContractSubType_Id = " + AdvancedSearchViewModel.ContractSubTypeId + " ";
                    }
                }

                //CostCenter
                if (AdvancedSearchViewModel.CostCenterId.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " CostCenter_Id = " + AdvancedSearchViewModel.CostCenterId + " ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND CostCenter_Id = " + AdvancedSearchViewModel.CostCenterId + " ";
                    }
                }

                //CostKind
                if (AdvancedSearchViewModel.CostKindId.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " CostKind_Id = " + AdvancedSearchViewModel.CostKindId + " ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND CostKind_Id = " + AdvancedSearchViewModel.CostKindId + " ";
                    }
                }

                //Adaptable
                if (AdvancedSearchViewModel.Adaptable.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " Adaptable = " + AdvancedSearchViewModel.Adaptable + " ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND Adaptable = " + AdvancedSearchViewModel.Adaptable + " ";
                    }
                }

                //PrePayable
                if (AdvancedSearchViewModel.PrePayable.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " PrePayable = " + AdvancedSearchViewModel.PrePayable + " ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND PrePayable = " + AdvancedSearchViewModel.PrePayable + " ";
                    }
                }

                //VarPayable
                if (AdvancedSearchViewModel.VarPayable.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " VarPayable = " + AdvancedSearchViewModel.VarPayable + " ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND VarPayable = " + AdvancedSearchViewModel.VarPayable + " ";
                    }
                }

                //IsFrameContract
                if (AdvancedSearchViewModel.IsFrameContract.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " IsFrameContract = " + AdvancedSearchViewModel.IsFrameContract + " ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND IsFrameContract = " + AdvancedSearchViewModel.IsFrameContract + " ";
                    }
                }

                //IntContractNum --From
                if (!string.IsNullOrEmpty(AdvancedSearchViewModel.IntContractNumFrom))
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.IntContractNumFrom + "' <= IntContractNum ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.IntContractNumFrom + "' <= IntContractNum ";
                    }
                }

                //IntContractNum --To
                if (!string.IsNullOrEmpty(AdvancedSearchViewModel.IntContractNumTo))
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.IntContractNumTo + "'  >= IntContractNum  ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.IntContractNumTo + "'  >= IntContractNum  ";
                    }
                }

                //ExtContractNum --From
                if (AdvancedSearchViewModel.ExtContractNumFrom.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.ExtContractNumFrom + "' <= ExtContractNum ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.ExtContractNumFrom + "' <= ExtContractNum ";
                    }
                }

                //ExtContractNum --To
                if (AdvancedSearchViewModel.ExtContractNumTo.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.ExtContractNumTo + "'  >= ExtContractNum  ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.ExtContractNumTo + "'  >= ExtContractNum  ";
                    }
                }

                //PaymentInterval  --From
                if (AdvancedSearchViewModel.PaymentIntervalFrom.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.PaymentIntervalFrom + "' <= PaymentInterval ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.PaymentIntervalFrom + "' <= PaymentInterval ";
                    }
                }

                //PaymentInterval  --To
                if (AdvancedSearchViewModel.PaymentIntervalTo.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.PaymentIntervalTo + "' >= PaymentInterval ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.PaymentIntervalTo + "' >= PaymentInterval ";
                    }
                }

                //MinContractDuration --From
                if (AdvancedSearchViewModel.MinContractDurationFrom.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.MinContractDurationFrom + "' <= MinContractDuration ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.MinContractDurationFrom + "' <= MinContractDuration ";
                    }
                }

                //MinContractDuration --To
                if (AdvancedSearchViewModel.MinContractDurationTo.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.MinContractDurationTo + "' >= MinContractDuration ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.MinContractDurationTo + "' >= MinContractDuration ";
                    }
                }

                //AutoExtension --From
                if (AdvancedSearchViewModel.AutoExtensionFrom.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.AutoExtensionFrom + "' <= AutoExtension ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.AutoExtensionFrom + "' <= AutoExtension ";
                    }
                }

                //AutoExtension --To
                if (AdvancedSearchViewModel.AutoExtensionTo.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.AutoExtensionTo + "' >= AutoExtension ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.AutoExtensionTo + "' >= AutoExtension ";
                    }
                }

                //CancellationPeriod  --From
                if (AdvancedSearchViewModel.CancellationPeriodFrom.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.CancellationPeriodFrom + "' <= CancellationPeriod ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.CancellationPeriodFrom + "' <= CancellationPeriod ";
                    }
                }

                //CancellationPeriod  --To
                if (AdvancedSearchViewModel.CancellationPeriodTo.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.CancellationPeriodTo + "' >= CancellationPeriod ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.CancellationPeriodTo + "' >= CancellationPeriod ";
                    }
                }

                //ContractValue  --From
                if (AdvancedSearchViewModel.ContractValueFrom.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.ContractValueFrom + "' <= ContractValue ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.ContractValueFrom + "' <= ContractValue ";
                    }
                }

                //ContractValue  --To
                if (AdvancedSearchViewModel.ContractValueTo.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.ContractValueTo + "' >= ContractValue ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.ContractValueTo + "' >= ContractValue ";
                    }
                }

                //Tax --From
                if (AdvancedSearchViewModel.TaxFrom.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.TaxFrom + "' <= Tax ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.TaxFrom + "' <= Tax ";
                    }
                }

                //Tax --To
                if (AdvancedSearchViewModel.TaxTo.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.TaxTo + "' >= Tax ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.TaxTo + "' >= Tax ";
                    }
                }

                //AnnualValue --From
                if (AdvancedSearchViewModel.AnnualValueFrom.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.AnnualValueFrom + "' <= AnnualValue ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.AnnualValueFrom + "' <= AnnualValue ";
                    }
                }

                //AnnualValue --To
                if (AdvancedSearchViewModel.AnnualValueTo.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.AnnualValueTo + "' >= AnnualValue ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.AnnualValueTo + "' >= AnnualValue ";
                    }
                }

                /*
                 *  it is recommended to use ISO8601 format YYYY-MM-DDThh:mm:ss.nnn[ Z ], as this one will not depend on your server's local culture.
                 *  DateTime >= '2011-04-12T00:00:00.000' AND  DateTime <= '2011-05-25T03:53:04.000'
                 *  theDate.ToString("yyyy-MM-dd HH':'mm':'ss")
                 */
                //PaymentBegin  --From
                if (AdvancedSearchViewModel.PaymentBeginFrom != null)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.PaymentBeginFrom.Value.ToString("yyyy-MM-dd HH':'mm':'ss") + "' <= PaymentBegin ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.PaymentBeginFrom.Value.ToString("yyyy-MM-dd HH':'mm':'ss") + "' <= PaymentBegin ";
                    }
                }

                //PaymentBegin  --To
                if (AdvancedSearchViewModel.PaymentBeginTo != null)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.PaymentBeginTo.Value.ToString("yyyy-MM-dd HH':'mm':'ss") + "' >= PaymentBegin ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.PaymentBeginTo.Value.ToString("yyyy-MM-dd HH':'mm':'ss") + "' >= PaymentBegin ";
                    }
                }

                //Vertragsbeginn  --From
                if (AdvancedSearchViewModel.ContractBeginFrom.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.ContractBeginFrom.Value.ToString("yyyy-MM-dd HH':'mm':'ss") + "' <= ContractBegin ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.ContractBeginFrom.Value.ToString("yyyy-MM-dd HH':'mm':'ss") + "' <= ContractBegin ";
                    }
                }

                //Vertragsbeginn  --To
                if (AdvancedSearchViewModel.ContractBeginTo.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.ContractBeginTo.Value.ToString("yyyy-MM-dd HH':'mm':'ss") + "' >= ContractBegin ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.ContractBeginTo.Value.ToString("yyyy-MM-dd HH':'mm':'ss") + "' >= ContractBegin ";
                    }
                }

                //Vertragsende  --From
                if (AdvancedSearchViewModel.ContractEndFrom.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.ContractEndFrom.Value.ToString("yyyy-MM-dd HH':'mm':'ss") + "' <= ContractEnd ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.ContractEndFrom.Value.ToString("yyyy-MM-dd HH':'mm':'ss") + "' <= ContractEnd ";
                    }
                }

                //Vertragsende  --To
                if (AdvancedSearchViewModel.ContractEndTo.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.ContractEndTo.Value.ToString("yyyy-MM-dd HH':'mm':'ss") + "' >= ContractEnd ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.ContractEndTo.Value.ToString("yyyy-MM-dd HH':'mm':'ss") + "' >= ContractEnd ";
                    }
                }

                //CancellationAppointment  --From
                if (AdvancedSearchViewModel.CancellationAppointmentFrom.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.CancellationAppointmentFrom.Value.ToString("yyyy-MM-dd HH':'mm':'ss") + "' <= CancellationAppointment ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.CancellationAppointmentFrom.Value.ToString("yyyy-MM-dd HH':'mm':'ss") + "' <= CancellationAppointment ";
                    }
                }

                //CancellationAppointment  --To
                if (AdvancedSearchViewModel.CancellationAppointmentTo.HasValue)
                {
                    if (counter == 0)
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " '" + AdvancedSearchViewModel.CancellationAppointmentTo.Value.ToString("yyyy-MM-dd HH':'mm':'ss") + "' >= CancellationAppointment ";
                        counter++;
                    }
                    else
                    {
                        CmdQueryTextSub = CmdQueryTextSub + " AND '" + AdvancedSearchViewModel.CancellationAppointmentTo.Value.ToString("yyyy-MM-dd HH':'mm':'ss") + "' >= CancellationAppointment ";
                    }
                }

                if (counter != 0)
                {
                    return(CmdQueryText + CmdQueryTextSub + " ;");
                }
                else
                {
                    return(CmdQueryText + " ;");
                }
            }

            return("does this really Works ??? ");
        }