Codeigniter importing data using excel file - php

Question

I am trying to import data via excel sheet into database with codeigniter application.I am using phpexcel. However the code is right but i am getting an error which states:
Error Number: 1054
Unknown column 'joker' in 'field list'
INSERT INTO studentsaccount (joker) VALUES ('')
Filename: C:/xampp/htdocs/Nalanda_Library/system/database/DB_driver.php
Line Number: 691
however my code is as follows: for controller
public function studentaccountimport(){
$this->load->model('Department');
$file = $_FILES['upload']['tmp_name'];
//load the excel library
$this->load->library('excel');
//read file from path
$objPHPExcel = PHPExcel_IOFactory::load($file);
//get only the Cell Collection
$cell_collection = $objPHPExcel->getActiveSheet()->getCellCollection();
//extract to a PHP readable array format
foreach ($cell_collection as $cell) {
$column = $objPHPExcel->getActiveSheet()->getCell($cell)->getColumn();
$row = $objPHPExcel->getActiveSheet()->getCell($cell)->getRow();
$data_value = $objPHPExcel->getActiveSheet()->getCell($cell)->getValue();
//header will/should be in row 1 only.
if ($row == 1) {
$header[$row][$column] = $data_value;
} else {
$arr_data[$row][$column] = $data_value;
$this->Department->modeluploadation($data_value);
}
}
}
for model:
public function modeluploadation($data){
$this->db->insert('studentsaccount',$data);
}
i am novice in codeigniter here so please help

Answer 1

You need to specify column names in insert query..
try
if ($row == 1) {
$header[$row][$column] = $data_value;
} else {
$arr_data[$row][$column] = $data_value;
}
$data['header'] = $header;
$data['values'] = $arr_data;
$this->Department->modeluploadation($data);

Answer 2

Ok the reason for your problem is you need to pass an array of key=>value pairs as the parameter for insert().
I'm not sure why Safins answer has been marked down because he is right. So when you should set modeluploadation as:
public function modeluploadation($data){
$this->db->insert('studentsaccount',array('field_name'=>$data_value));
}