checkedListBox的数据绑定

string strq = "select Stru_chName,Stru_enName from T_StuRowName;";
SqlCommand command = new SqlCommand(strq, con);
SqlDataReader reader = command.ExecuteReader();
BindingSource bs = new BindingSource();
bs.DataSource = reader;
checkedListBox1.DataSource = bs;
checkedListBox1.ValueMember = "Stru_enName";
checkedListBox1.DisplayMember = "Stru_chName";