public void refreshModels(string modelOfWhat)
{
this.ModelList.Rows.Clear();
List <object>[] rs;
string[] columns = { "strModeCode", "strModeName" };
rs = dbConnect.Select("Select * from tblModel where strModeItemCode = '" + modelOfWhat + "' and boolModeIsDel = false;", columns);
for (int i = 0; i < rs[0].Count; i++)
{
// model code(hidden) model name
this.ModelList.Rows.Add(rs[0].ElementAt(i).ToString(), rs[1].ElementAt(i).ToString());
}
//clear selection
ModelList.ClearSelection();
}