codeigniter and mysql inner join creating problem

[eluser]foysal[/eluser]
my model

Code:

function get_customer()
    {
      
        $this->db->select('*');
        $this->db->from('tbl_customer');
        $this->db->join('tbl_sales', 'tbl_sales.customer_id = tbl_customer.customer_id');
        $query = $this->db->get();
        return $query->result();
    }

my controller

Code:

function index()
    {
      $this->load->model('sh_model');
      $variable['customer'] = $this->sh_model->get_customer();
      $this->load->view('sh_view', $variable);
    }

my view

Code:

foreach($customer as $item)
    {
       echo $item->customer_id;
       echo $item->customer_first_name;
    }

I am getting no result. Even no error coming.

If you have good tutorial on mysql inner join and codeigniter, please share with me.


foysal