/// <summary>
/// 当前的行索引
/// </summary>
private int currentRowHandle = 0;
/// <summary> 
/// 总共含有的行
/// </summary> 
private int totalRowCount = 0; 
/// <summary>
/// 定时器定时事件
/// </summary>
private void timerScroll_Tick(object sender, EventArgs e)
{
   if (currentRowHandle == totalRowCount)
     currentRowHandle = 0;
   else
   {
     currentRowHandle += 40;
     if (currentRowHandle > totalRowCount)
       currentRowHandle = totalRowCount;
   }

   gridView1.FocusedRowHandle = currentRowHandle;
}

/// <summary>
/// 定时器定时事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void timerScroll_Tick(object sender, EventArgs e)
{
   if (gridView1.IsLastRow)
   {
     gridView1.MoveFirst();
   }
   else
   {
     gridView1.MoveNextPage();
   }
}