- System.NullReferenceException: Referencia a objeto no establecida como instancia de un objeto.
- iewBag.RoleId = new SelectList(await RoleManager.Roles.ToListAsync(), "Name", "Name");
- Agregar en la clase Startup.Auth.cs en el método:
- ConfigureAuth(IAppBuilder app)
- {
- // Configure the db context, user manager and signin manager to use a single instance per request
app.CreatePerOwinContext<ApplicationUserManager>(ApplicationUserManager.Create);
app.CreatePerOwinContext<ApplicationSignInManager>(ApplicationSignInManager.Create);
- app.CreatePerOwinContext<ApplicationRoleManager>(ApplicationRoleManager.Create); // <<<<<<< ----------- AGREGAR ---------------
- }