1. 출처https://supportcenter.devexpress.com/ticket/details/q351298/how-to-hide-vertical-line-for-particular-columns How to hide vertical line for particular columnsYou have yet to view any tickets. Your search criteria do not match any tickets. A server error occurred while processing your request. Please try again at a later time.supportcenter.devexpress.com 2. private void gridControl1_Paint(obj..