表单处理问题，急

beyondbobo

A PHP Error was encountered
Severity: Notice
Message: Undefined variable: Admin_model
Filename: admin/login.php
Line Number: 36


Fatal error: Cannot access empty property in D:\phpnow1.5\htdocs\ci_ks\application\controllers\admin\login.php on line 36


代码：
  if ($this->validation->run() == FALSE)
  {
   $this->load->view('admin/login_v');
  }
  else
  {
   $user_name = trim($this->input->post('user_name'));
   $user_pwd = trim($this->input->post('user_pwd'));
   $this->load->model('admin/Admin_model');
   $a=$this->$Admin_model->admin_login($user_name, $user_pwd);
   if ($a)
   {
    $this->load->view('admin/admin_frame');
   }
   else
   {
    $this->load->view('admin/login_v');
   
   }
  }

lamtin

$this->Admin_model

visvoy

ls正解