Read Inventory Details in Transaction Item Fulfill or Invoice

Hi Guys,

I tried to get Invoice record via web services,. It success, i can read Body & Item list
but in Item List -> inventory detail, the value is null.
Any way I can read data  (lotnumber, bin) from inventory detail in transaction ?


I'm using c#
below sample from my code

SearchResult res;
TransactionSearch tranSearch = new TransactionSearch();
TransactionSearchBasic tranBasic = new TransactionSearchBasic();
TransactionSearchAdvanced transAdv = new TransactionSearchAdvanced();

#region netsuite preference
Preferences preference = new Preferences();
preference.warningAsErrorSpecified = true;
preference.warningAsError = false;
_service.preferences = preference;

SearchPreferences searchPreferences = new SearchPreferences();
searchPreferences.pageSize = 10;
searchPreferences.pageSizeSpecified = true;
searchPreferences.bodyFieldsOnly = false;
_service.searchPreferences = searchPreferences;
#endregion

#region tranType = Invoice