public async Task<ActionResult> ExternalLoginConfirmation(ExternalLoginConfirmationViewModel model, string returnUrl)
        {
            if (User.Identity.IsAuthenticated)
            {
                return RedirectToAction("Manage");
            }

            if (ModelState.IsValid)
            {
                // Get the information about the user from the external login provider
                var info = await AuthenticationManager.GetExternalLoginInfoAsync();
                if (info == null)
                {
                    return View("ExternalLoginFailure");
                }
                var user = new ApplicationUser() { UserName = model.UserName };
                var result = await UserManager.CreateAsync(user);
                if (result.Succeeded)
                {
                    result = await UserManager.AddLoginAsync(user.Id, info.Login);
                    if (result.Succeeded)
                    {
                        await SignInAsync(user, isPersistent: false);
                        return RedirectToLocal(returnUrl);
                    }
                }
                AddErrors(result);
            }

            ViewBag.ReturnUrl = returnUrl;
            return View(model);
        }
 private async Task SignInAsync(ApplicationUser user, bool isPersistent)
 {
     AuthenticationManager.SignOut(DefaultAuthenticationTypes.ExternalCookie);
     var identity = await UserManager.CreateIdentityAsync(user, DefaultAuthenticationTypes.ApplicationCookie);
     AuthenticationManager.SignIn(new AuthenticationProperties() { IsPersistent = isPersistent }, identity);
 }
        public async Task<ActionResult> Register(RegisterViewModel model)
        {



            if (ModelState.IsValid)
            {
                var user = new ApplicationUser() {UserName = model.UserName, BranchId = model.BranchId};
                var result = await UserManager.CreateAsync(user, model.Password);

                foreach (var s in model.Roles)
                {
                    UserManager.AddToRole(user.Id, s);
                }


                if (result.Succeeded)
                {
                    //await SignInAsync(user, isPersistent: false);


                    return RedirectToAction("Index", "Account");
                }
                else
                {
                    AddErrors(result);
                }

            }
            var db = new ApplicationDbContext();
            var m = new MultiSelectList(db.Roles.ToList(), "Name", "Name");
            ViewBag.Roles = m;
            var x = new SelectList(db.Branches.ToList(), "Id", "Name");
            ViewBag.Branches = x;

            // If we got this far, something failed, redisplay form
            return View(model);
        }