c# DataGridView navigating to next row
int nRow;
private void Form1_Load(object sender, EventArgs e)
{
nRow = dataGridView1.CurrentCell.RowIndex;
}
private void button1_Click(object sender, EventArgs e)
{
if (nRow < dataGridView1.RowCount )
{
dataGridView1.Rows[nRow].Selected = false;
dataGridView1.Rows[++nRow].Selected = true;
}
}