protected void lbDataTypeUsableDataBind(string programID) { lbDataTypeUsable.Items.Clear(); Model.ElementRelation[] mers = dbll.getUsableElementsByCPID(programID); for (int i = 0; i < mers.Length; i++) { ListItem li = new ListItem(); li.Value = mers[i].ElementID.ToString(); li.Text = mers[i].ElementNameCN; lbDataTypeUsable.Items.Add(li); } }