Sales Order creation using SAP

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using SAP.Middleware.Connector;

namespace ConsoleApplication2
{
    class Program : IDestinationConfiguration
    {
        static void Main(string[] args)
        {
            RfcDestinationManager.RegisterDestinationConfiguration(new Program());
            RfcDestination destination = RfcDestinationManager.GetDestination("EHP5");

            try
            {
                RfcRepository repo = destination.Repository;
                IRfcFunction salesDoc = repo.CreateFunction("BAPI_SALESORDER_CREATEFROMDAT2");
                IRfcFunction salesDocCommit = repo.CreateFunction("BAPI_TRANSACTION_COMMIT");

                IRfcStructure salesHeader = salesDoc.GetStructure("ORDER_HEADER_IN");

                IRfcTable salesItems = salesDoc.GetTable("ORDER_ITEMS_IN");
                IRfcTable salesPartners = salesDoc.GetTable("ORDER_PARTNERS");                              

                IRfcStructure salesItemsStruct = salesItems.Metadata.LineType.CreateStructure();
                IRfcStructure salesPartnersStruct = salesPartners.Metadata.LineType.CreateStructure();                

                //Sales Header
                salesHeader.SetValue("DOC_TYPE", "MOR");
                salesHeader.SetValue("DOC_DATE", Convert.ToDateTime("2014-06-20"));
                salesHeader.SetValue("SALES_ORG", "M210");
                salesHeader.SetValue("DISTR_CHAN", "01");
                salesHeader.SetValue("DIVISION", "M1");                
                salesHeader.SetValue("CURRENCY", "USD");

                //Sales Items
                salesItemsStruct.SetValue("ITM_NUMBER", "000010");
                salesItemsStruct.SetValue("MATERIAL", "MP_SHEET_22");
                salesItemsStruct.SetValue("SHORT_TEXT", "Sheet Grade B, BWT 20lb/75gsm");
                salesItemsStruct.SetValue("PLANT", "M210");               
                salesItemsStruct.SetValue("TARGET_QTY", "2000");
                salesItemsStruct.SetValue("TARGET_QU","LBR");
                salesItemsStruct.SetValue("TARGET_VAL", "11655.67");                
                salesItems.Append(salesItemsStruct);

                // Partner
                salesPartnersStruct.SetValue("PARTN_ROLE", "AG");
                salesPartnersStruct.SetValue("PARTN_NUMB", "MP-CUST201");
                salesPartners.Append(salesPartnersStruct);                

                RfcSessionManager.BeginContext(destination);
                salesDoc.Invoke(destination);
                salesDocCommit.Invoke(destination);
                string salesDocument = salesDoc.GetString("SALESDOCUMENT");
                string orderNo = salesDocument.ToString();                
                RfcSessionManager.EndContext(destination);

                Console.WriteLine("Sales Order " + orderNo + " Created!!");
                Console.ReadLine();
            }
            catch (RfcCommunicationException e)
            {
                e.ToString();
                Console.WriteLine(e);
                Console.ReadLine();

            }
            catch (RfcLogonException e)
            {
                e.ToString();
                Console.WriteLine(e);
                Console.ReadLine();
            }
            catch (RfcAbapRuntimeException e)
            {
                e.ToString();
                Console.WriteLine(e);
                Console.ReadLine();
            }
            catch (RfcAbapBaseException e)
            {
                e.ToString();
                Console.WriteLine(e);
                Console.ReadLine();
            }

        }

        public RfcConfigParameters GetParameters(String destinationName)
        {
            if ("EHP5".Equals(destinationName))
            {
                RfcConfigParameters parms = new RfcConfigParameters();
                parms.Add(RfcConfigParameters.AppServerHost, "xx.xxx.xxx.xx");
                parms.Add(RfcConfigParameters.SystemNumber, "00");
                parms.Add(RfcConfigParameters.SystemID, "IE1");
                parms.Add(RfcConfigParameters.User, "xxxxxx");
                parms.Add(RfcConfigParameters.Password, "xxxxxx");
                parms.Add(RfcConfigParameters.Client, "000");
                parms.Add(RfcConfigParameters.Language, "EN");                
                return parms;
            }
            else return null;
        }
        
        public bool ChangeEventsSupported()
        {
            return false;
        }
        public event RfcDestinationManager.ConfigurationChangeHandler
        ConfigurationChanged;
    }
}