asp.net mvc - Adding filename in url -


i want customize route in asp.net mvc. 

@url.action("viewdoc", "home", new { filename = "abc.pdf" })

and 

 routes.maproute(          name: "",          url: "{controller}/{action}/{filename}",          defaults: new          {              controller = "home",              action = "viewdoc",              filename = urlparameter.optional          }

i get

http://localhost/home/viewdoc?filename=abc.pdf

how below?

http://localhost/home/viewdoc/abc.pdf

the code have pasted correct ordering in route setup wrong. move routes.maproute method above default route , should work expected.


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