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);
}
}