public async Task <ActionResult> SignIn(FormCollection collection)
        {
            var account  = collection["Account"];
            var password = collection["Password"];

            USER user = await db.USERs.SingleOrDefaultAsync(f => f.UserName == account && f.Password == password);

            if (user != null)
            {
                return(RedirectToAction("Product", "Admin"));
            }
            else
            {
                CLIENTACCOUNT client = await db.CLIENTACCOUNTs.SingleOrDefaultAsync(f => f.AccountName == account && f.PassWord == password);

                if (client != null)
                {
                    Session["Client"] = client.ClientName;
                    Session[client.ClientName.ToString().Trim()] = client.Id;

                    return(RedirectToAction("Index", "Product"));
                }
                else
                {
                    return(View());
                }
            }
        }
        public async Task <ActionResult> Register(CLIENTACCOUNT cLIENTACCOUNT)
        {
            if (ModelState.IsValid)
            {
                db.CLIENTACCOUNTs.Add(cLIENTACCOUNT);
                await db.SaveChangesAsync();

                return(RedirectToAction("Index", "Product"));
            }

            return(View(cLIENTACCOUNT));
        }
        public ActionResult InfoUser(int?idUser)
        {
            var onLogin = Session["Client"];

            if (idUser == null)
            {
                return(RedirectToAction("Index", "Product"));
            }
            else
            {
                if (onLogin != null)
                {
                    CLIENTACCOUNT model = db.CLIENTACCOUNTs.Find(idUser);

                    return(View(model));
                }
                else
                {
                    return(RedirectToAction("Index", "Product"));
                }
            }
        }