Right click to select a row in a Datagridview and show a menu to delete it

Question

I have few columns in my DataGridView, and there is data in my rows. I saw few solutions in here, but I can not combine them!

Simply a way to right-click on a row, i

Answer 1

private void dataGridView1_CellContextMenuStripNeeded(object sender, 
DataGridViewCellContextMenuStripNeededEventArgs e)
{            
    if (e.RowIndex != -1)
    {
        dataGridView1.ClearSelection();
        this.dataGridView1.Rows[e.RowIndex].Selected = true;
        e.ContextMenuStrip = contextMenuStrip1;
    }
}