disabling default button or enter key in asp.net c#

Question

I have a form where users scan in a barcode, the barcode reader automatically enters a carriage return in the value causing the form to submit since the browser chooses the

Answer 1

    private void textbox1_KeyUp(object sender, KeyEventArgs e)
    {
        if (e.KeyCode == Keys.Enter)
        {

// do nothing

        }
    }

this may help you