private void readButton_Click(object sender, System.EventArgs e)
 { 
 int i = 0;
 this.timer.Stop();
 rd.rolls.Clear();
 nPoints = 0;
 string strSQL =
 "SELECT nRolls,Victim,X,Y,oldX,OldY,Alpha,Red,Green,Blue From RollsTable";
 oleDbConnection.Open();
 OleDbCommand cmd = new OleDbCommand(strSQL,oleDbConnection);
 OleDbDataReader rdr = cmd.ExecuteReader();
 while (rdr.Read())
 {
 rd.AddRow(
 int.Parse((rdr["nRolls"]).ToString()),
 int.Parse((rdr["Victim"]).ToString()),
 float.Parse((rdr["X"]).ToString()),
 float.Parse((rdr["Y"]).ToString()),
 float.Parse((rdr["oldX"]).ToString()),
 float.Parse((rdr["oldY"]).ToString()),
 int.Parse((rdr["Alpha"]).ToString()),
 int.Parse((rdr["Red"]).ToString()),
 int.Parse((rdr["Green"]).ToString()),
 int.Parse((rdr["Blue"]).ToString())
 );
 i++;
 }
 rdr.Close();
 oleDbConnection.Close();
 rpDataGrid.DataSource = rd.rolls;
 nPoints = i;
 this.timer.Start();
 }