public ActionResult Create(Category category)
        {
            try
            {
                if (ModelState.IsValid)
                {
                    _db.Categories.Add(category);
                    _db.SaveChanges();

                    //return RedirectToAction("Index");
                    return Content(Boolean.TrueString);
                }

                //return View(category);
                //return PartialView("_Create", category);
                return Content("Please review your form.");
            }
            catch (Exception ex)
            {
                return Content("Error Occured!");
            }
        }
        public ActionResult Edit(Category category)
        {
            try
            {
                if (ModelState.IsValid)
                {
                    _db.Entry(category).State = EntityState.Modified;
                    _db.SaveChanges();

                    //return RedirectToAction("Index");
                    return Content(Boolean.TrueString);
                }

                //return View(category);
                //return PartialView("_Edit", category);
                return Content("Please review your form.");
            }
            catch (Exception ex)
            {
                return Content("Error Occured!");
            }
        }