public IActionResult CreateClassAJAX(ClassModel classModel) { ClaimsPrincipal currentUser = this.User; string currentUserId = currentUser.FindFirst(ClaimTypes.NameIdentifier).Value; var access = new SqlDataAccess(); if (ModelState.IsValid) { access.CreateClass(classModel.className, classModel.classSubject, currentUserId); return(RedirectToAction("Index")); } return(View("Index")); }