public async Task <IActionResult> Create(IFormFile image, Yayin yayin)
        {
            if (image == null || image.Length == 0)
            {
                return(Content("not image selected"));
            }

            var path = Path.Combine(Directory.GetCurrentDirectory(), "wwwroot/image/Yayincilar", image.FileName);

            using (var stream = new FileStream(path, FileMode.Create))
            {
                await image.CopyToAsync(stream);
            }

            yayin.ImageUrl = "/image/Yayincilar/" + image.FileName;
            _yayinService.Add(yayin);

            return(RedirectToAction("Index"));
        }