public IActionResult Update(UpdateExerciseViewModel model) { var course = courseManager.GetById(model.CourseId); if (ModelState.IsValid) { exerciseManager.Update(model.Id, model.TaskName, model.TaskTextField, model.TaskBaseCodeField, model.CourseId, course.Name, DateTime.Now, model.TestCases); } return(RedirectToAction("Index", "ExerciseManagement")); }