Excelden Veriyi C# a Alma

OleDbConnection cn = new OleDbConnection(@"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\\yeni.xlsx;Extended Properties=""Excel 12.0; HDR=Yes;""");
       cn.Open();
      OleDbCommand cm = new OleDbCommand("Select adi,soyadi,numarasi From tbl_Musteriler ", cn);
      
      
      OleDbDataReader dr = cm.ExecuteReader(CommandBehavior.CloseConnection);
      MessageBox.Show("Baglanti Acildi ve excel dosyalarınız Basırıyla alındı");
      if (dr.HasRows)
      {
        int hucre = 0;
        int j=0;
        while (dr.Read())
        {
          if (hucre == 0)
          {
dizi[j]=dr[j].ToString();
            j++;