public async Task <IActionResult> Create(SubCategoryAnd_CategoryViewModel model) { if (ModelState.IsValid) { var doesSubCategoryExist = _db.SubCategory.Include(s => s.Category).Where(s => s.Name == model.SubCategory.Name && s.Category.Id == model.SubCategory.CategoryId); if (doesSubCategoryExist.Count() > 0) { //error StatusMessage = "Error : Sub Category exists under" + doesSubCategoryExist.First().Category.Name + " Category. Please use another Name"; } else { _db.SubCategory.Add(model.SubCategory); await _db.SaveChangesAsync(); return(RedirectToAction(nameof(Index))); } } SubCategoryAnd_CategoryViewModel modelVM = new SubCategoryAnd_CategoryViewModel() { CategoryList = await _db.Category.ToListAsync(), SubCategory = model.SubCategory, SubCategoryList = await _db.SubCategory.OrderBy(p => p.Name).Select(p => p.Name).ToListAsync(), StatusMessage = StatusMessage }; return(View(modelVM)); }
//Get - Create public async Task <IActionResult> Create() { SubCategoryAnd_CategoryViewModel model = new SubCategoryAnd_CategoryViewModel() { CategoryList = await _db.Category.ToListAsync(), SubCategory = new Models.SubCategory(), SubCategoryList = await _db.SubCategory.OrderBy(p => p.Name).Select(p => p.Name).Distinct().ToListAsync(), }; return(View(model)); }
//Get - Edit public async Task <IActionResult> Edit(int id) { if (id == null) { return(NotFound()); } var subCategory = await _db.SubCategory.SingleOrDefaultAsync(m => m.Id == id); if (subCategory == null) { return(NotFound()); } SubCategoryAnd_CategoryViewModel model = new SubCategoryAnd_CategoryViewModel() { CategoryList = await _db.Category.ToListAsync(), SubCategory = subCategory, SubCategoryList = await _db.SubCategory.OrderBy(p => p.Name).Select(p => p.Name).Distinct().ToListAsync(), }; return(View(model)); }