//Controller
        [HttpPost]
        public async Task<IActionResult> AddProduct(GiversAddProductVM giversAddProductVM)
        {
            if (!ModelState.IsValid)
                return View(giversAddProductVM);

            if (giversAddProductVM.Picture != null)
            {
                var uniqueFileName = Helper.GetUniqueFileName(giversAddProductVM.Picture.FileName);
                var images = Path.Combine(hostingEnvironment.WebRootPath, "products");
                var filePath = Path.Combine(images, uniqueFileName);
                giversAddProductVM.Picture.CopyTo(new FileStream(filePath, FileMode.Create));
                giversAddProductVM.PictureFileName = uniqueFileName;
            }

            await giversService.CreateProductAsync(giversAddProductVM);

            return RedirectToAction(nameof(AddProduct));
        }

    //Service
     public async Task CreateProductAsync(GiversAddProductVM giversAddProductVM)
        {
            await context.Product.AddAsync(new Product
            {
                Picture = giversAddProductVM.PictureFileName,
            });
            await context.SaveChangesAsync();

        }

    //ViewModel
    public class GiversAddProductVM
    {

        public IFormFile Picture { get; set; }

        public string PictureFileName { get; set; }


    }

    //View
<form asp-controller="Givers" asp-action="AddProduct" method="post" enctype="multipart/form-data">
    <img src="@Model.Picture" id="output" style="width: 200px; height: auto;" />
    <br />
        <input asp-for="Picture" type="file" accept="image/*;capture=camera" value="Lägg till bild" onchange="loadFile(event)">

    <input type="submit" value="Lägg till vara" />
</form>

@section Scripts {
<script>
var loadFile = function (event) {
    var output = document.getElementById('output');
    output.src = URL.createObjectURL(event.target.files[0]);
};
</script>
}