HOW to CRUD in C# .net8
yes it is true>? or no? its very interesting questions in my abstraction mind
[Area(“Admin”)]
public class CategoryController(Context _context) : Controller
{
public async Task Index()
{
var data = await _context.Categories.Where(x => !x.IsDeleted).Select(s => new GetCategoryVM
{
Name = s.Name,
Id = s.Id,

        }).ToListAsync();
        return View(data);

    }
    [HttpGet]
    public async Task<IActionResult> Create()
    {
     
        return View();

    }
    [HttpPost]
    public async Task<IActionResult> Create(CreateCategoryVM vm)
    {
        if(vm.Name!=null && await _context.Categories.AnyAsync(c=>c.Name==vm.Name))
        {
            ModelState.AddModelError("Name", "Ad movcuddur");
        }
        if (!ModelState.IsValid)
        {
            return View(vm);
        }
       Category category = new Category
       {
           Name = vm.Name

       };
        await _context.Categories.AddAsync(category);
        await _context.SaveChangesAsync();
        return RedirectToAction(nameof(Index));

    }
    [HttpGet]
    public async Task <IActionResult> Update (int? id)
    {
        if (id == null || id < 1) return BadRequest();
        Category category = await _context.Categories.FirstOrDefaultAsync(c=> c.Id==id);
        if (category == null) return NotFound();
        UpdateCategoryVM categoryVM = new UpdateCategoryVM { Name= category.Name };
        return View(categoryVM);
    }
    [HttpPost]

    public async Task<IActionResult> Update(int? id,GetCategoryVM categoryVM)
    {
        if (id == null || id < 1) return BadRequest();
        Category exisdet = await _context.Categories.FirstOrDefaultAsync(c=>c.Id==id);
        if (exisdet == null) return NotFound();
        exisdet.Name = categoryVM.Name;
        await _context.SaveChangesAsync();
        return RedirectToAction(nameof(Index));

    }


    public async Task<IActionResult> Delete(int? id)
    {
        if (id == null || id < 1) return BadRequest();
        var delS = await _context.Categories.FindAsync(id);
        if (delS == null) return BadRequest();
        _context.Categories.Remove(delS);
        await _context.SaveChangesAsync();
        return RedirectToAction(nameof(Index));
    }



}

}