title: ASP.NET MVC 3 Httppost method display error 404 not found
body: <p>my project with ASP classic get parameter with this code:</p>
  
  <pre><code>protected void Page_Load(object sender, EventArgs e)
  {
      RefIdLabel.Text = Request.Params["RefId"];      
  }
  </code></pre>
  
  <p>but in ASP.NET MVC 3 with Httppost method not working to get parameter and display error 404 not found . parameter is null.</p>
  
  <pre><code>[HttpPost]
  public ActionResult callbackfrombank()
  {
     string RefId = Request.Params["RefId"];
  }
  </code></pre>
  
  <p>why? please help me. thanks ...</p>
  
  <ul>
  <li>post parameter from another server to my server. </li>
  </ul>