public IActionResult Delete(int?id) { if (id == null) { return(RedirectToAction("Index", "Home")); } using (var db = new TaskDbContext()) { var task = db.Tasks.Find(id); if (task == null) { return(RedirectToAction("Index", "Home")); } db.Tasks.Remove(task); db.SaveChanges(); } return(RedirectToAction("Index", "Home")); }