public IEnumerable<CustOrdersDetail> CustOrdersDetail(int? orderid)
{
ObjectParameter orderidParameter = null;
if (orderid != null) { orderidParameter = new ObjectParameter("OrderID", orderid); }
else { orderidParameter = new ObjectParameter("OrderID", typeof(int?)); }
var retval = base.ExecuteFunction<CustOrdersDetail>("CustOrdersDetail", orderidParameter).ToList();
return retval;
}