ajax code not taking the data from table to second row

ajax code not taking the data from table to second row

hi guys i have a issue on ajax. where ajax can't work to take the values of second rows.
  i hope getting solve of this problem. thanks before guys. 
this's my code in model 

   
    
    
  1. function getdata_barang($barcode) {
    2. 
    
  2.  $this->db1->where("barcode" ,$barcode);
    3. 
    
  3.  $query = $this->db1->get('tblmstbarang');
    4. 
    
  4.  if($query->num_rows()>0) {
    5. 
    
  5.  $data= array();
    6. 
    
  6.  foreach($query->result() as $row)
    7. 
    
  7.  { 
    8. 
    
  8.  $data['barang_nama'] = $row->barang_nama;
    9. 
    
  9.  $data['harga_beli']= $row->harga_beli;
    10. 
    

    11. 
    
  11.  echo json_encode($data);
    12. 
    
  12.  }
    13. 
    
  13.  } else{
    14. 
    
  14.  $data['barang_nama'] = "";
    15. 
    
  15.  $data['harga_beli']= "";
    16. 
    
  16.  echo json_encode($data);
    17. 
    
  17.  }
    18. 
    
  18.  } 
    19. 
   
      this's my code in controller

    
    
     
  1. function getdata_barang(){
    2. 
     
  2.  $barcode = $this->input->post('barcode');
    3. 
     
  3.  $data=$this->Mbarang->getdata_barang($barcode); }
    4. 
    

    

      this's my code in view
    

    

     
      
    
       
  1. <script type="text/javascript"> 
    2. 
       
  2.  $(document).ready(function() { 
    3. 
       
  3.  $('.form-control#barcode_2').keyup(function() {
    4. 
       

    5. 
       
  5.  var barcode = $(this).val();
    6. 
       
  6.  $.ajax({
    7. 
       
  7.  type : "post",
    8. 
       
  8.  data : "barcode=" + barcode, 
    9. 
       
  9.  url : "<?php echo base_url();?>index.php/master/barang/Cbarang/getdata_barang",
    10. 
       
  10.  dataType: "json",
    11. 
       
  11.  success: function(data){
    12. 
       

    13. 
       
  13.  $('.form-control#barang_nama_2').val(data.barang_nama); 
    14. 
       
  14.  $('.form-control#harga_beli_2').val(data.harga_beli);
    15. 
       
  15.  }
    16. 
       
  16.  }); 
    17. 
       
  17.  });
    18. 
       
  18.  });
    19. 
       
  19.  </script>
    20. 
       
  20.  <td><input type="text" class="form-control" id="barcode" name="barcode[]" value="<?php echo set_value('barcode['.$i.']') ;?>" onKeyUp="getValues()" ></td>
    21. 
       
  21.  <td><input type="text" class="form-control" id="barang_nama" name="barang_nama[]" value="<?php echo set_value('barang_nama['.$i.']') ;?>" onKeyUp="getValues()" disabled></td>
    22. 
       
  22.  <td><input type="text" class="form-control" id="harga_beli" name="harga_beli[]" value="<?php echo set_value('harga_beli['.$i.']');?>" onKeyUp="getValues()" disabled></td>
    23. 
       

    24. 
       
  24.  <td><input type="text" class="form-control" id="barcode_2" name="barcode[]" value="<?php $a=set_value('barcode[0]') ; echo $a;?>"></td>
    25. 
       
  25.  <td><input type="text" class="form-control" id="barang_nama_2" name="barang_nama[]" value="<?php $a=set_value('barang_nama[0]') ; echo $a;?>" onKeyUp="getValues()" readonly></td>
    26. 
       
  26.  <td><input type="text" class="form-control" id="harga_beli_2" name="harga_beli[]" value="<?php $a=set_value('harga_beli[0]'); echo $a;?>" onKeyUp="getValues()" readonly></td>
    27. 
       

    28. 
       
  28.  <td><input type="text" class="form-control" id="barcode_3" name="barcode[]" value="<?php echo $detail->barcode;?>"></td>
    29. 
       
  29.  <td><input type="text" class="form-control" id="barang_nama_3" name="barang_nama[]" value="<?php echo $detail->barang_nama;?>" onKeyUp="getValues()" readonly></td>
    30. 
       
  30.  <td><input type="text" class="form-control" id="harga_beli_3" name="harga_beli[]" value="<?php echo $detail->harga_beli;?>" onKeyUp="getValues()" readonly></td>
    31.