RFC·ÃÎÊSAP(C#)

using System.Windows.Forms;
using SAPFunctionsOCX;
using SAPLogonCtrl;
using SAPTableFactoryCtrl;
namespace SAPFunction
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
      
        private void BtnConn_Click(object sender, EventArgs e)
        {  
               //ÉèÖõǼÁ¬½ÓµÄÀà
                DataSet dset = new DataSet();
                SAPLogonCtrl.SAPLogonControlClass logon = new SAPLogonCtrl.SAPLogonControlClass();
                //Á¬½Ó²ÎÊýÉèÖÃ
                logon.ApplicationServer = "172.18.95.173";
                logon.Client = "164";
                logon.Language = "ZH";
                logon.User = "CRMDEV69";
                logon.Password = "654321";
                logon.SystemNumber = 7;
               
      &