protected static FR_Guids Execute(DbConnection Connection, DbTransaction Transaction, P_L3PO_SPOP_0331 Parameter, CSV2Core.SessionSecurity.SessionSecurityTicket securityTicket = null)
        {
            //Leave UserCode region to enable user code saving
            #region UserCode
            var returnValue = new FR_Guids();
            //Put your code here



            #region Get ProcurementOrder Header
            var header = ORM_ORD_PRC_ProcurementOrder_Header.Query.Search(Connection, Transaction
                                                                          , new ORM_ORD_PRC_ProcurementOrder_Header.Query()
            {
                ORD_PRC_ProcurementOrder_HeaderID = Parameter.ORD_PRC_ProcurementOrder_HeaderID,
                Tenant_RefID = securityTicket.TenantID,
                IsDeleted    = false
            }).FirstOrDefault();

            if (header.Equals(default(ORM_ORD_PRC_ProcurementOrder_Header)))
            {
                returnValue.Status = FR_Status.Error_Internal;
                return(returnValue);
            }
            #endregion

            #region Get Positions count, if we are creating the positions
            int positionsCount = 0;
            if (Parameter.Positions[0].ORD_PRC_ProcurementOrder_PositionID == Guid.Empty)
            {
                positionsCount = ORM_ORD_PRC_ProcurementOrder_Position.Query.Search(Connection, Transaction,
                                                                                    new ORM_ORD_PRC_ProcurementOrder_Position.Query()
                {
                    ProcurementOrder_Header_RefID = Parameter.ORD_PRC_ProcurementOrder_HeaderID,
                    IsDeleted    = false,
                    Tenant_RefID = securityTicket.TenantID
                }).Count();
            }
            #endregion

            List <Guid> createdPositionsIDs = new List <Guid>();

            decimal oldHeaderTotalValue = 0, newHeaderTotalValue = 0;
            foreach (var p in Parameter.Positions)
            {
                ORM_ORD_PRC_ProcurementOrder_Position position;
                if (p.ORD_PRC_ProcurementOrder_PositionID == Guid.Empty)
                {
                    #region Create ProcurementOrder Position

                    #region Get Unit ID
                    var product = ORM_CMN_PRO_Product.Query.Search(Connection, Transaction, new ORM_CMN_PRO_Product.Query
                    {
                        CMN_PRO_ProductID = p.ProductID,
                        IsDeleted         = false,
                        Tenant_RefID      = securityTicket.TenantID
                    }).Single();

                    var packageInfo = ORM_CMN_PRO_PAC_PackageInfo.Query.Search(Connection, Transaction,
                                                                               new ORM_CMN_PRO_PAC_PackageInfo.Query
                    {
                        CMN_PRO_PAC_PackageInfoID = product.PackageInfo_RefID,
                        IsDeleted    = false,
                        Tenant_RefID = securityTicket.TenantID
                    }).Single();

                    var unitID = packageInfo.PackageContent_MeasuredInUnit_RefID;
                    #endregion

                    #region Create ProcurementPosition Object
                    position = new ORM_ORD_PRC_ProcurementOrder_Position()
                    {
                        ORD_PRC_ProcurementOrder_PositionID = Guid.NewGuid(),
                        CMN_PRO_Product_RefID            = p.ProductID,
                        Creation_Timestamp               = DateTime.Now,
                        Tenant_RefID                     = securityTicket.TenantID,
                        ProcurementOrder_Header_RefID    = Parameter.ORD_PRC_ProcurementOrder_HeaderID,
                        Position_Quantity                = p.Position_Quantity,
                        Position_ValuePerUnit            = p.PricePerUnit,
                        Position_ValueTotal              = p.PricePerUnit * Convert.ToDecimal(p.Position_Quantity),
                        Position_RequestedDateOfDelivery = DateTime.MinValue,
                        Position_Unit_RefID              = unitID,
                        Position_OrdinalNumber           = ++positionsCount
                    };
                    #endregion

                    createdPositionsIDs.Add(position.ORD_PRC_ProcurementOrder_PositionID);

                    newHeaderTotalValue += position.Position_ValueTotal;
                    #endregion
                }
                else
                {
                    #region Update ProcurementOrder Position

                    #region Get ProcurementOrder Position
                    position = ORM_ORD_PRC_ProcurementOrder_Position.Query.Search(Connection, Transaction
                                                                                  , new ORM_ORD_PRC_ProcurementOrder_Position.Query()
                    {
                        ORD_PRC_ProcurementOrder_PositionID = p.ORD_PRC_ProcurementOrder_PositionID,
                        Tenant_RefID = securityTicket.TenantID,
                        IsDeleted    = false
                    }).FirstOrDefault();
                    if (position.Equals(default(ORM_ORD_PRC_ProcurementOrder_Position)))
                    {
                        returnValue.Status = FR_Status.Error_Internal;
                        return(returnValue);
                    }
                    #endregion

                    #region Update ProcurementOrder Position and Total Values
                    oldHeaderTotalValue         += position.Position_ValueTotal;
                    position.Position_Quantity   = p.Position_Quantity;
                    position.Position_ValueTotal = Convert.ToDecimal(p.Position_Quantity) * position.Position_ValuePerUnit;
                    newHeaderTotalValue         += position.Position_ValueTotal;
                    position.IsDeleted           = p.IsDeleted;
                    #endregion

                    #endregion
                }

                if (position.Save(Connection, Transaction).Status != FR_Status.Success)
                {
                    returnValue.Status = FR_Status.Error_Internal;
                    return(returnValue);
                }
            }

            #region Update ProcurementOrder Header
            header.TotalValue_BeforeTax = (header.TotalValue_BeforeTax - oldHeaderTotalValue) + newHeaderTotalValue;
            if (header.Save(Connection, Transaction).Status != FR_Status.Success)
            {
                returnValue.Status = FR_Status.Error_Internal;
                return(returnValue);
            }
            #endregion

            returnValue.Result = createdPositionsIDs.ToArray();
            returnValue.Status = FR_Status.Success;

            return(returnValue);

            #endregion UserCode
        }
 ///<summary>
 /// Invokes the method for the given Connection, and Transaction, leaving them open/not commited if no exceptions occured
 ///<summary>
 public static FR_Guids Invoke(DbConnection Connection, DbTransaction Transaction, P_L3PO_SPOP_0331 Parameter, CSV2Core.SessionSecurity.SessionSecurityTicket securityTicket = null)
 {
     return(Invoke(Connection, Transaction, null, Parameter, securityTicket));
 }
        ///<summary>
        /// Method Invocation of wrapper classes
        ///<summary>
        protected static FR_Guids Invoke(DbConnection Connection, DbTransaction Transaction, string ConnectionString, P_L3PO_SPOP_0331 Parameter, CSV2Core.SessionSecurity.SessionSecurityTicket securityTicket = null)
        {
            bool cleanupConnection  = Connection == null;
            bool cleanupTransaction = Transaction == null;

            FR_Guids functionReturn = new FR_Guids();

            try
            {
                if (cleanupConnection == true)
                {
                    Connection = CSV2Core_MySQL.Support.DBSQLSupport.CreateConnection(ConnectionString);
                    Connection.Open();
                }
                if (cleanupTransaction == true)
                {
                    Transaction = Connection.BeginTransaction();
                }

                functionReturn = Execute(Connection, Transaction, Parameter, securityTicket);

                #region Cleanup Connection/Transaction
                //Commit the transaction
                if (cleanupTransaction == true)
                {
                    Transaction.Commit();
                }
                //Close the connection
                if (cleanupConnection == true)
                {
                    Connection.Close();
                }
                #endregion
            }
            catch (Exception ex)
            {
                try
                {
                    if (cleanupTransaction == true && Transaction != null)
                    {
                        Transaction.Rollback();
                    }
                }
                catch { }

                try
                {
                    if (cleanupConnection == true && Connection != null)
                    {
                        Connection.Close();
                    }
                }
                catch { }

                throw new Exception("Exception occured in method cls_Save_ProcurementOrder_Positions", ex);
            }
            return(functionReturn);
        }
 ///<summary>
 /// Opens the connection/transaction for the given connectionString, and closes them when complete
 ///<summary>
 public static FR_Guids Invoke(string ConnectionString, P_L3PO_SPOP_0331 Parameter, CSV2Core.SessionSecurity.SessionSecurityTicket securityTicket = null)
 {
     return(Invoke(null, null, ConnectionString, Parameter, securityTicket));
 }