DataGridView中CheckBox实现某一列单选

代码如下:private void dgvChannel_CellClick(object sender, DataGridViewCellEventArgs e)        {            if (e.ColumnIndex == -1 || e.RowIndex == -1) return;            int x = dgvChannel.CurrentCell.ColumnIndex;//获取鼠标的点击列            if (x == 0)//点击第一列是单选。            {                for (int i = 0; i