Add Listview group thru code

[Winanjaya]

Dear All,

How to add listview group thru code? .. I am trying codes below.. but nothing appear on my lv (listview)..

 while (dr.Read())
{
    string groupname = dr.GetString(dr.GetOrdinal("groupname"));
    lv.Groups.Add(new ListViewGroup(groupname, HorizontalAlignment.Center));
}

could anybody please help?

Thanks & Regards

[jmcilhinney]

Do you have the ShowGroups property set to true?

[Winanjaya]

yes, ShowGroups property is True by default..

any idea?