public ActionResult Add(Image imageModel)
        {
            string fileName  = Path.GetFileNameWithoutExtension(imageModel.ImageFile.FileName);
            string extension = Path.GetExtension(imageModel.ImageFile.FileName);

            fileName             = fileName + DateTime.Now.ToString("yymmssfff") + extension;
            imageModel.ImagePath = "" + fileName;
            fileName             = Path.Combine(Server.MapPath("/Images"), fileName);
            imageModel.ImageFile.SaveAs(fileName);
            using (PCDbEntities db = new PCDbEntities())
            {
                db.Images.Add(imageModel);
                db.SaveChanges();
            }

            ModelState.Clear();
            return(View());
        }