error : You did not select a file to upload

[eluser]senz[/eluser]
I want to try uploading the image files but that appears is the following message :
"You did not select a file to upload". Though I have followed the instructions to upload the files in CodeIgniter. What is means of this error message?

[eluser]Ivar89[/eluser]
That you did not select a file to upload..(A)

[eluser]pickupman[/eluser]
[quote author="Ivar89" date="1274199136"]That you did not select a file to upload..(A)[/quote]
Either that or you did not name your fields matching your upload configuration. The input field should be named "userfile", unless you have set differently in your config array.

[eluser]senz[/eluser]
I have included a file to be uploaded but still have the message. So what does that mean "userfile" and what should I configure? I have input files in the view and I gave the name "thumbnail", then I use the command $ this-> upload-> do_upload ('thumbnail') inside the controller. But still the error message appears. Is there another solution?

[eluser]pickupman[/eluser]
With what you have explained seems to make sense, however without seeing any code it's hard to say for sure. A neat little thing about CI is

Code:

$this->output->enable_profiler(TRUE); //Put in your constructor of your controller or at the beginning of a method

It will output a lot of info about POST, queries, execution times. Might be helpful why this may be happening. You also haven't mentioned about your server environment Windows/Linux?. Maybe it's a folder permissions issue.

[eluser]senz[/eluser]
[quote author="pickupman" date="1274255597"]With what you have explained seems to make sense, however without seeing any code it's hard to say for sure. A neat little thing about CI is

Code:

$this->output->enable_profiler(TRUE); //Put in your constructor of your controller or at the beginning of a method

It will output a lot of info about POST, queries, execution times. Might be helpful why this may be happening. You also haven't mentioned about your server environment Windows/Linux?. Maybe it's a folder permissions issue.[/quote]

The upload_view code like this :

Code:

<?
        echo $error;
        foreach($asset as $row)
        {
            $id = $row->id;
            $name = $row->name;
            $image = $row->image;
        echo form_open_multipart('upload/update_upload');
    ?>
        <input type="hidden" name="id" value="<?=$id;?>"/>
        <input type="text" name="name" size="20" value="<?=$name;?>"/><br/>
        <img src="&lt;?=base_url();?&gt;public/images/&lt;?=$image;?&gt;"/><br/>
        &lt;input type="file" name="image"/&gt;&lt;br/>
        &lt;input type="submit" value="Update" name="submit"&gt;    
    &lt;?
        }
        echo form_close();
    ?&gt;

And the upload controller like this :

Code:

function update_upload()
    {
        $this->load->library('upload');
        
        $config['upload_path'] = './public/images/promo';
        $config['allowed_types'] = 'gif|jpg|png';
        $config['max_size'] = '500';
        $config['max_width'] = '1024';
        $config['max_height'] = '768';
        
        $this->upload->initialize($config);
        
        $field_name = "image";
        $img = $this->input->post('image');
        if (!$this->upload->do_upload($field_name))
        {
            $error=array('error'=>$this->upload->display_errors());
            $this->load->view('upload_view',$error);
        }
        else
        {
            $data= $this->upload->data();
            foreach($data as $value)
            {
                $name_file = "promo/".$value;
                break;
            }
            $this->upload_model->update($name_file);
            redirect('upload/view_upload', 'refresh');
        }
    }

And i use windows for web server.

[eluser]pickupman[/eluser]
Even though you are on windows, you still to check file permissions. This may not be the issue yet, but for 2000,Server 2k3/8, XP Pro, Vista, & 7 you have to give Full Access on your temporary upload folder. You can usually find this with phpinfo(); which will probably be something like c:\windows\tmp, c:\windows\temp, or c:\wamp\tmp(Wamp Server).

I did notice a few errors in the code. Your foreach loop is before the open form tag, but the form_close tag is after the foreach. In a sense you are opening the form multiple times but only closing it once.

Here is a working example of your code with a few changes (form validation).

Code:

//Controller
function index(){
        
        //Set test data
        $data['asset'] = (object)array('id'=>'10' , 'name' =>'John Doe', 'image' => 'home-banner.jpg');
        
        $this->load->view('upload_view',$data);
    }
    
    function update_upload()
    {
        $this->load->library(array('upload','form_validation'));
        
        $this->form_validation->set_rules('id', 'id', 'required|trim');
        $this->form_validation->set_rules('name','name', 'required|trim');
        
        $config['upload_path'] = './uploads/images';
        $config['allowed_types'] = 'gif|jpg|png';
        $config['max_size'] = '500';
        $config['max_width'] = '1024';
        $config['max_height'] = '768';
            
        $this->upload->initialize($config);
        
        //Make sure form fields are completed
        if($this->form_validation->run() == TRUE){
            
            $img = $this->input->post('image');
            
            //Check if file was uploaded
            if (!$this->upload->do_upload('image'))
            {
                //Test data
                $data['asset'] = (object)array('id'=>'10' , 'name' =>'John Doe', 'image' => 'home-banner.jpg');
                
                $data['error'] = $this->upload->display_errors();
                $this->load->view('upload_view',$data);
            }
            else
            {
                //Uploaded Completed
                $data = $this->upload->data();
                
                $name_file = "promo/".$data['file_name'];
                
                $this->upload_model->update($name_file);
                redirect('upload/view_upload', 'refresh');
            }
        }else{
            
            //Test data
            $data['asset'] = (object)array('id'=>'10' , 'name' =>'John Doe', 'image' => 'home-banner.jpg');
            
            $this->load->view('upload_view', $data);
            
        }
    }

//View
<?
        if(isset($error))
          echo $error;
          
        echo validation_errors();
        
        $id = $asset->id;
        $name = $asset->name;
        $image = $asset->image;
        
        echo form_open_multipart('upload/update_upload');
    ?>
        <input type="hidden" name="id" value="<?=$id;?>"/>
        <input type="text" name="name" size="20" value="<?=set_value('name',$name);?>"/><br/>
        <img src="&lt;?=base_url();?&gt;uploads/&lt;?=$image;?&gt;"/><br/>
        &lt;input type="file" name="image"/&gt;&lt;br/>
        &lt;input type="submit" value="Update" name="submit"&gt;    
    &lt;?
      
        echo form_close();
      
    ?&gt;

I'm not sure if your foreach loop is supposed to be creating a upload form for each asset. If so, it would seem that the way you are redirecting you would only have one image update when someone submits the form.

[eluser]senz[/eluser]
Thank you pickupman...
Finally, i can solve my problem after i read your code.
Thanks ;-)