How to hide or remove query string in mvc

Question

Dear all,

 

   I new to mvc,actually i want to remove querystring in th url here is the code

 

  the url is

 

  http://localhost:15745/ControlPanal/Edit/6  

 

  but i need it like

 

 http://localhost:15745/ControlPanal/Edit

 

 on (view) edit link it is 

 

   @Html.ActionLink("Edit", "Edit", "ControlPanal", new { id = item.PortfolioId }) 

 

and the controller is

 

public ActionResult Edit(int id)

{

 

 

}

 

please help me out