I have a nav menu and each tab has different form. I got top nav menu for example *** > A FORM B FORM C FORM > -form- >back click next click *** I have a valitadation for top nav menu and next click every form user cannot past next form if user dont fill form input validation works but when click form b for example i think ngbnavlink makes it active nav title ,validation dont show form menu but user needs to click back form a. i dont want to user click back to form a to go form b so i cant click form b consecutively. Continue reading...