asp.net MVC routing eror 404

Question

i dont understand the rooting in ASP.net ; im missing something with this ? this is my root :

 routes.MapRoute( name: "ChampionID", url: "Champion/ChampionById/id", defaults: new { controller = "Champion", action = "ChampionById", id = "5" } );

this is my Controler :

public class ChampionController : Controller { public ActionResult ChampionById(string x) { ChampionId ch = new ChampionId(); ch.Id = x; return View(ch); }

if you can help me with this i will be thankful

You return a View named ChampionById, do you have a view with that name? — Berkay Yaylacı
– Berkay Yaylacı, Commented Sep 9, 2016 at 21:15

Mr. B · Accepted Answer · 2016-09-09 21:45:25Z

Forget routes.MapRoute. Just wire up all routes and then put the route as an attribute like this:

public class ChampionController : Controller { [Route("Champion/ChampionById/{id}")] public ActionResult ChampionById(string id) { ChampionId ch = new ChampionId(); ch.Id = id; return View(ch); } }

Also x should be id. Then just remove routes.MapRoute. Then make sure you have a corresponding cshtml file called ChampionById.

thanks with this attribute , you force him to take the right route (this is tested and it worked )

Shiham Sham · Accepted Answer · 2016-09-10 05:36:39Z

Change your route to below to fit you ActionResult like below:

routes.MapRoute( name: "ChampionID", url: "Champion/ChampionById/{id}", defaults: new { controller = "Champion", action = "ChampionById", id = UrlParameter.Optional } );

Note what I have updated with 'id'

Here all requests with 'Champion/ChampionById/' pattern will be mapped to this route and any thing after 'Champion/ChampionById/' will be the 'id parameter'. Since it is marked as optional on the route this can be null too. So better check for it.

public class ChampionController : Controller { public ActionResult ChampionById(string id) { ChampionId ch = new ChampionId(); if( !string.IsNullOrEmpty(id)) { ch.Id = id; return View(ch); } //<TODO> : handle when your id parameter is null return View(ch); }

@MaroineAbdellah Glad it helped you. Please accept as answer if it helped you. Just had a look on your previous question you have not accepted an answer for any. This will make people not to answer you for future questions :) Please keep up the SO spirit and accept an answer. Thanks =)

LateshtClick.com · Accepted Answer · 2016-09-10 07:51:40Z

edit your route.

routes.MapRoute( name: "ChampionID", url: "Champion/ChampionById/{x}", defaults: new { controller = "Champion", action = "ChampionById", x = UrlParameter.Optional } );

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