CI Form Validation

gistfile1.aw

//Check that the form was submitted
if ($this->input->post())
{
  $this->load->library('form_validation');

  //set rules...
  $this->form_validation->set_rules('EID','EID','required');
  //etc...

  if ($this->form_validation->run() === FALSE)
  {
    //do stuff for form failure.
    //Generally I don't do anything here as the form will load below and
    //if there are errors it will display them
  }
  else
  {
    //do stuff for successful form submission
    //save data, maybe set success message that the view will display (flashdata)
  }
}

//do stuff regardless of whether form was submitted (show form)