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Can't update data after creating data

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This is a migrated thread and some comments may be shown as answers.
rooney
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rooney asked on 15 Oct 2012, 03:14 AM
Hi all, i have some problem with create and update data
Look at this

dataSource = new kendo.data.DataSource({
   transport: {
      read: {url:"<?=base_url()?>/bank"},
      update: {url:"<?=base_url()?>/bank/update", type:"POST"},
      destroy: {url:"<?=base_url()?>/bank/destroy",type:"POST"},
      create: {url:"<?=base_url()?>/bank/create",type:"POST"},
   },
   error: function(e) {
      alert(e.responseText);
   },
   batch: true, pageSize: 25,
   schema: {
   model: {
      id: "id_bank",
      fields: {
         nama_bank: { type: "string" },
      }
   }
}
});
//kendo grid
$("#grid_bank").kendoGrid({
   dataSource: dataSource,
   editable:  "popup", height: 450, filterable: true, sortable: true, pageable: true,
   toolbar: ["create"],
   columns: [
      { field: "nama_bank",title: "Nama", filterable: true },
      { command: ["edit", "destroy"], title: " ", width: "160px" }
   ]
});

i'am using codeigniter and this script on class controller
public function index() {
   header("Content-type: application/json");
   $arr = array();
   $data=$this->bank_model->get_bank();
   foreach ($data as $hasil) {
      $arr[]=$hasil;
   }   
   print json_encode($arr);
}
     
public function create() {
   header("Content-type: application/json");
   $nama_bank = $_POST['models'][0]['nama_bank'];
   $query = "INSERT INTO bank VALUES (NULL, '$nama_bank')";
   $rs = $this->db->query($query);
   echo $query;
   if ($rs) {
      echo json_encode($rs);
   } else {
      header("HTTP/1.1 500 Internal Server Error");
   }
}
     
public function update() {
   header("Content-type: application/json");
   $id_bank = $_POST['models'][0]['id_bank'];
   $nama_bank = $_POST['models'][0]['nama_bank'];
   $query = "UPDATE bank SET nama_bank = '$nama_bank' WHERE id_bank = $id_bank";
   echo $query;
   if ($rs) {
      echo json_encode($rs);
   } else {
      header("HTTP/1.1 500 Internal Server Error");
   }
}

the problem is if process creating data is execute after that when will updating data, process always to creating data
and if in first time/page reloaded process updating is execute, that is working, but after that creating data it is problem again

Thank

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rooney
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