public ActionResult Create(GroupAdminSubcategoryCreateViewModel viewModel)
 {
     if (ModelState.IsValid)
     {
         var subcategory = new Subcategory
         {
             Name = viewModel.Name,
             CategoryId = viewModel.CategoryId,
         };
         subcategoryService.CreateSubcategory(subcategory);
         return Redirect("/GroupAdmin/Group");
     }
     return View(viewModel);
 }
 /// <summary>
 /// Creates subcategory
 /// </summary>
 /// <param name="subcategory">The subcategory to be created</param>
 public void CreateSubcategory(Subcategory subcategory)
 {
     subcategoryRepo.Add(subcategory);
     subcategoryRepo.Save();
 }