How to bind data from database into checkboxlist at runtime?

Runtime it will bind data from the database into the checkboxlist...

private void CheckboxListBind()
{
           SqlConnection conn = new SqlConnection("connection string");
            conn.Open();
           SqlDataReader dr;
           SqlCommand cmd = new SqlCommand("SELECT ename FROM employee", conn);
            dr = cmd.ExecuteReader();
            while (dr.Read())
            {
                 checkedListBox1.Items.Add(dr.GetValue(0).ToString());
             }
             conn.Close();
}