How to disable Tab key on particular column index of Datagridview?

Question

Can Anybody please tell me how to disable Tab key only on a particular column index of datagridview ?

I have tried

if (e.KeyCode == Keys.Tab)
{
   e.SuppressKeyPress = true;
}

but it didn't worked.

i want something like

if(e.ColumnIndex==6)
{
   //disable tab key
}

Answer 1

Hook up KeyDown event of DataGridView and see if the selected cell belongs to column 6. If so eat the key.

void dataGridView1_KeyDown(object sender, KeyEventArgs e)
{
    if (e.KeyCode == Keys.Tab &&
        dataGridView1.SelectedCells
                     .Cast<DataGridViewCell>()
                     .Any(x => x.ColumnIndex == 6))
    {
        e.Handled = true;
    }
}

Now that's clear for me. KeyDown won't fire in editing mode because editing control will get those events. One way to do is override ProcessCmdKey in form or the usercontrol where DataGridView lives.

protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
    if (keyData == Keys.Tab &&
        dataGridView1.EditingControl != null &&
        msg.HWnd == dataGridView1.EditingControl.Handle  &&
        dataGridView1.SelectedCells
            .Cast<DataGridViewCell>()
            .Any(x => x.ColumnIndex == 6))
    {
        return true;
    }
    return base.ProcessCmdKey(ref msg, keyData);
}