public async Task <IViewComponentResult> InvokeAsync()
{
var userName = this.User.Identity.Name;
var user = await _userManager.FindByNameAsync(userName);
var roles = await this._userManager.GetRolesAsync(user);
var items = await _menuService.NavDataSource(roles.ToArray()); //NavigationModel.Full;
return(View(new SmartNavigation(items)));
}