private void button3_Click(object sender, EventArgs e)
      {
          bool   check = false;
          string com   = "COM";
          int    port  = 1;

          com = "COM" + port.ToString();
          while (!check)
          {
              try
              {
                  SMSCOMMS SMSEngine = new SMSCOMMS(com);
                  check = SMSEngine.Open1();

                  if (check == false)
                  {
                      port = port + 1;
                      com  = "COM" + port.ToString();
                  }
                  else
                  {
                      check       = true;
                      label3.Text = "Connected to PORT : " + com;
                  }
              }
              catch
              {
              }
          }

          /*
           *  dbConn.Open();
           *  dataGrid.DataSource = @"Provider=Microsoft.Jet.OleDb.4.0;Data Source=C:\Users\Taimoor\Desktop\Workshop\Client servercomunication\Client servercomunication\serversocket\serversocket\RFID_TRACKER.mdb";
           *  dataGrid.Refresh();
           *  this.dataGrid.Refresh();
           *  DataSet ds = new DataSet();
           *  DataTable dt = new DataTable();
           *  ds.Tables.Add(dt);
           *  OleDbDataAdapter dd = new OleDbDataAdapter();
           *  dd = new OleDbDataAdapter("Select * From LOG", dbConn);
           *  dd.Fill(dt);
           *  dataGrid.DataSource = dt.DefaultView;
           *  dbConn.Close();
           */
      }