public IEnumerable <Order> QueryByCertainTime(QueryFunc_T f)
{
var query = from o in orders
where f(o.OrderTime) == true
select o;
return(query);
}
public static IEnumerable <Order> QueryByCertainTime(QueryFunc_T f)
{
using (var db = new OrderContext())
{
var query = from o in db.Orders
where f(o.OrderTime) == true
select o;
return(query);
}
}
