MVC Redirect from a ViewResult where cannot change to ActionResult

StackOverflow https://stackoverflow.com/questions/11904771

質問

I want to redirect from a ViewResult, so that I can display a specific product detail when the search result is 1 instead of the product list page.

Other pages said to change the ViewResult to an ActionResult and to use the RedirectToAction. But my problem is that my controller inherits from a third party control and my search method is set to override the same third party control method, which is a ViewResult.

I am wondering if anyone has some suggestions on what I could do, if there is another way to redirect from a ViewResult or if there is another way to handle the override of the third party controls search method to be an ActionResult.

役に立ちましたか？

解決

You could just return a different View (without the redirect)

//in your action method
if( result.Count == 1 )
    return View( "Product", result[0] );

or call the other action method directly (if they are in the same controller)

if( result.Count == 1 )
    return YourActionDetails( result[0].Id /* params */ );

or, you could return a simple View that makes an automatic redirect client-side

// a "Redirect" view
@model Product
<html>
    <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <meta http-equiv="Refresh" content="0;url=@Url.Action("Details", Model.Id)" />
    </head>
    <body></body>
</html>

他のヒント

If you cannot change the return type of the action than you could use routing to route requests with 1 to a different action.

Just define another route and make sure that it's added to RouteCollection before the default one.

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