public ActionResult CreateImage(string id) { IFormFile file = Request.Form.Files[0]; Stream stream = file.OpenReadStream(); byte[] b; using (BinaryReader br = new BinaryReader(stream)) { b = br.ReadBytes((int)stream.Length); } string ImageId = coursesService.CreateImage(id, b); Course course = coursesService.Get(id); course.Image = ImageId; coursesService.Update(course.Id, course); return(new JsonResult(course)); }