How to dataGridView cursor go to next line when press Enter

//Below Code is not working and i am not able to find the errror...... 

 

private void dataGridView1_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyData == Keys.Enter)
{
int col = dataGridView1.CurrentCell.ColumnIndex;
int row = dataGridView1.CurrentCell.RowIndex;

if (col < dataGridView1.ColumnCount - 1)
{
col++;
}
else
{
col = 1;
row++;
}

if (row == dataGridView1.RowCount)
{
dataGridView1.Rows.Add();
dataGridView1.CurrentCell = dataGridView1[col, row];

e.Handled = true;
}
}
}