query Dynamic List
we have a function returns List
in debug mode filled by : 
normally we will write : 
this will throw an exception like : 
the solution is to use reflection : js object d = ComTaxOffice.GetTaxOffices().FirstOrDefault(p => p.GetType().GetProperty("TaxOfficeId").GetValue(p, null).ToString() == "3"); </dynamic></dynamic></t>
origin - http://www.pipiscrew.com/?p=5870 dynamic-list-where