Sample Identiy Config

IdentiyConfig.cs

public class IdentityConfig
{
    public void Configuration(IAppBuilder app)
    {
        app.CreatePerOwinContext(() => new TimesheetsContext());
        app.CreatePerOwinContext<UserManager>(UserManager.Create);
        app.CreatePerOwinContext<RoleManager<Role>>((options, context) =>
            new RoleManager<Role>(
                new RoleStore<Role>(context.Get<TimesheetsContext>())));

        app.UseCookieAuthentication(new CookieAuthenticationOptions
        {
            AuthenticationType = DefaultAuthenticationTypes.ApplicationCookie,
            LoginPath = new PathString("/Home/Login"),
        });
    }
}