public async Task <ActionResult> Login(string userName = "", string currentTenancyName = "", string returnUrl = "") { if (string.IsNullOrWhiteSpace(returnUrl)) { returnUrl = Url.Action("Index", "Home"); } var allTenants = await _tenantManager.All(); return(View(new LoginFormViewModel { UserName = userName, ReturnUrl = returnUrl, Tenants = allTenants, CurrentTenancyName = currentTenancyName })); }