hi sriman
as per my assumption ...........
in
private void Grid1_KeyDown(object sender, KeyEventArgs e)
{
if(e.KeyCode==38)
{
Grid1.Cell.IsSelected==true;
}
}
private void Grid1_KeyUp(object sender, KeyEventArgs e)
{
if(e.KeyCode==40)
{
Grid1.Cell.IsSelected==true;
}
}
u will try like this........