public override Task PreRender()
{
var user = Context.GetAuthentication().Context.User;
if (user.IsInRole("admin"))
{
_orders = _orderFacade.GetAllOrdersAsync(true).Result.OrderBy(order => order.State).ToList();
}
else
{
_orders = _orderFacade.GetOrdersByUserAsync(user.Identity.Name, true).Result;
}
Orders.LoadFromQueryable(_orders.AsQueryable());
return(base.PreRender());
}