public ActionResult Edit(Task task)
 {
     if (ModelState.IsValid)
     {
         db.Entry(task).State = EntityState.Modified;
         db.SaveChanges();
         return RedirectToAction("Index");
     }
     return View(task);
 }
 public ActionResult Create(Task task)
 {
     try
     {
         db.Tasks.Add(task);
         db.SaveChanges();
         return RedirectToAction("Index");
     }
     catch (Exception ex)
     {
         Console.WriteLine(ex);
         return View();
     }
 }