title: Return to a url from an action method in asp.net mvc
body: <p>I'm using asp.net mvc.</p>
  
  <p>I have links associated with a list of "Document"...when clicked the links call an action method to add the document to a list of favourites.</p>
  
  <p>how in the action method do I return to the same page before the "add favourite" link is clicked?
  the reason is I want to maintain the querystring parameters that have paging etc</p>
  
  <p>eg:</p>
  
  <h1>MyPage</h1>
  
  <p>page 1 of 3</p>
  
  <p>Document1 [add to favourites] (a link that calls an action method)</p>
  
  <p>Document2 [add to favourites] (a link that calls an action method)</p>
  
  <p>Document3 [add to favourites] (a link that calls an action method)</p>
  
  <p>Document4 [add to favourites] (a link that calls an action method)</p>
  
  <p>paging is maintained within the url with querystring parameters..</p>
  
  <p>When they click add i want to be able to maintain the url, as it should take into account the page number it's on</p>