public ActionResult Create(TourPlan tourplan)
        {
            if (ModelState.IsValid)
            {
                tourplan.TourPlanId = Guid.NewGuid();
                tourplan.UserName = User.Identity.Name;
                tourplan.CreateDate = DateTime.Now;
                db.TourPlans.Add(tourplan);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            ViewBag.TourId = new SelectList(db.Tours, "TourId", "Title", tourplan.TourId);
            return View(tourplan);
        }
 public ActionResult Edit(TourPlan tourplan)
 {
     if (ModelState.IsValid)
     {
         db.Entry(tourplan).State = EntityState.Modified;
         tourplan.UserName = User.Identity.Name;
         tourplan.CreateDate = DateTime.Now;
         db.SaveChanges();
         return RedirectToAction("Index");
     }
     ViewBag.TourId = new SelectList(db.Tours, "TourId", "Title", tourplan.TourId);
     return View(tourplan);
 }