public function save()
 {
     //call validation function
     $valid = $this->_submit_validate();
     if ($valid == false) {
         $data['settings_view'] = "generic_listing_v";
         $this->base_params($data);
     } else {
         $drugname = $this->input->post("generic_name");
         $generic_name = new Generic_Name();
         $generic_name->Name = $drugname;
         $generic_name->Active = "1";
         $generic_name->save();
         $this->session->set_userdata('msg_success', $this->input->post('generic_name') . ' was Added');
         $this->session->set_flashdata('filter_datatable', $this->input->post('generic_name'));
         //Filter datatable
         redirect("settings_management");
     }
 }