Please give the solution for this problem immediatly

//this is presentation Layer Code
protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
               
            DataTable dt = new DataTable();
            dt = bz.LoadValue();
            for (int i = 0; i < dt.Rows.Count; i++)
            {

                ddl_CmpId.DataSource = dt.Rows[i]["CmpId"].ToString();

                ddl_CmpId.DataBind();
             
            }
            }

        }
//This is Buisness Layer Code
 public DataTable LoadValue()
        {
            try
            {
                return da.load();
            }
            catch
            {
                throw;
            }
            finally
            {
                da = null;
            }
}
//This is Data Access Laye Code
  public DataTable  load()
        {
            DataTable dt=new DataTable();
           try
            {
                string SelQry = "select CmpId from cmpDetails";
                return cl.LoadCtrl(SelQry);
              
               
            }
            catch
            {
                throw;
            }
            finally
            {
                cl = null;
            }
        }
//This Is Common Class Code
 public DataTable LoadCtrl(string Sel )
           {
               OleDbCommand cmd = new OleDbCommand(Sel, open());
               OleDbDataAdapter adapt = new OleDbDataAdapter(cmd);
               adapt.Fill(dt);
               return dt;
           }

CmpId Stored in DB xxx001
                   yyy002
but when load the dropdown control the cmpany id are loaded this order
                                                      x
                                                      x
                                                      x
                                                      0
                                                      0
                                                      1
                                                      y
                                                      y
                                                      y

                                                      0
                                                      0
                                                      2
please give the solution immediatly for this issues