Lists of List,
Dictionaries of Lists,
Lists of Dictionaries...
Lists of custom objects
Dictionaries of custom objects...
but none of these seem to bind correctly as an ItemsSource.
public List<List<string>> data = new List<List<string>>(2);
public Dictionary<string, List<string>> dictDataList = new Dictionary<string, List<string>>();
public List<datatest> listdatatest = new List<datatest>();
public class datatest
public string a;
public string b;