DataGridView操作之checkbox列全选、反选

private void chkSelect_CheckedChanged(object sender, EventArgs e)
        {
            try
            {
                if (this.dgvArchivesData.Rows.Count > 0)
                {
                    for (int i = 0; i < this.dgvArchivesData.Rows.Count; i++)
                    {
                        if ((bool)this.dgvArchivesData.Rows[i].Cells[0].EditedFormattedValue)
                        {
                            this.dgvArchivesData.Rows[i].Cells[0].Value = false;
                        }
                        else
                        {
                            this.dgvArchivesData.Rows[i].Cells[0].Value = true;
                        }
                    }
                }
            }
            catch(Exception ex)
            {

            }
        }