public ActionResult Create(SubCategory subcategory)
        {
            subcategory.CreateDate = DateTime.Now;
            subcategory.ModifiedDate = DateTime.Now;
            if (ModelState.IsValid)
            {
                subcategory.SubCategoryID = Guid.NewGuid();
                db.SubCategories.Add(subcategory);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            ViewBag.CategoryID = new SelectList(db.Categories, "CategoryID", "CategoryName", subcategory.CategoryID);
            return View(subcategory);
        }
 public ActionResult Edit(SubCategory subcategory)
 {
     if (ModelState.IsValid)
     {
         db.Entry(subcategory).State = EntityState.Modified;
         db.SaveChanges();
         return RedirectToAction("Index");
     }
     ViewBag.CategoryID = new SelectList(db.Categories, "CategoryID", "CategoryName", subcategory.CategoryID);
     return View(subcategory);
 }