public void ConfigureAuth(IAppBuilder app)
        {
            // Configure the db context, user manager and signin manager to use a single instance per request
            app.CreatePerOwinContext(ApplicationDbContext.Create);
            app.CreatePerOwinContext<ApplicationUserManager>(ApplicationUserManager.Create);
            app.CreatePerOwinContext<ApplicationSignInManager>(ApplicationSignInManager.Create);

            // Enable the application to use a cookie to store information for the signed in user
            // and to use a cookie to temporarily store information about a user logging in with a third party login provider
            // Configure the sign in cookie
             CookieAuthenticationOptions cookieoptions = new CookieAuthenticationOptions
            {
                AuthenticationType = DefaultAuthenticationTypes.ApplicationCookie,
                LoginPath = new PathString("/Account/Login"),
                CookieName = ".my_kg",
                
                Provider = new CookieAuthenticationProvider
                {
                    // Enables the application to validate the security stamp when the user logs in.
                    // This is a security feature which is used when you change a password or add an external login to your account.  
                    OnValidateIdentity = SecurityStampValidator.OnValidateIdentity<ApplicationUserManager, ApplicationUser, int>
                    (
                         validateInterval: TimeSpan.FromMinutes(30),
                         regenerateIdentityCallback: (manager, user) => user.GenerateUserIdentityAsync(manager),
                         getUserIdCallback: (id) => (Int32.Parse(id.GetUserId()))
                    )
                }
            };



            app.UseCookieAuthentication(cookieoptions);
            app.UseExternalSignInCookie(DefaultAuthenticationTypes.ExternalCookie);
....

@{
    ViewBag.Title = "Забули пароль ?";
    Layout = null;
}

<div class="login-container">
    <div class="row">
        <div class="col-md-12">
            <div class="text-center m-b-md">
                <h3>Зміна паролю.</h3>

            </div>
            <div class="hpanel">
                <div class="panel-body">

                    @using (Html.BeginForm("ForgotPassword", "Account", FormMethod.Post, new { @class = "", role = "form" }))
                    {
                        @Html.AntiForgeryToken()
                        <div class="row">


                            <p>Будь - ласка введіть номер особового рахунку облікового запису. Код зміни паролю буде надісланий Вам на електронну адресу. </p>
                            <hr />
                            @Html.ValidationSummary("", new { @class = "text-danger" })
                            <div class="form-group">
                                @Html.LabelFor(m => m.PersonalAccount, new { @class = "control-label" })

                                @Html.TextBoxFor(m => m.PersonalAccount, new { @class = "form-control" })

                            </div>



                        </div>

                        <div class="text-center">
                            
                            <button type="submit" class="btn btn-danger">
                                <span>Надіслати</span>
                            </button>
                            <a href="@Url.Action("Login")" class="btn btn-default">Відміна</a>
                        </div>


                    }
                </div>
            </div>
        </div>
    </div>

</div>


@*@section Scripts {
    @Scripts.Render("~/bundles/jqueryval")
}*@