MVC routes.MapRoute issues

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Hi,
I have id = “country\city”
I'm using below ActionLink in a table:

C#

@Html.ActionLink("change", "changeCity", new { id = item.myCountyCity })

but because my id has 2 sections separated by backslash every time I click on the link it gives me error. To resolve the problem I wrote this custom route:

C#

routes.MapRoute(
"CityCountyRoute",
"{controller}/{action}/{id}",
 new { controller = "Home", action = "Index", county = "", id = "" });

Still this route is not working and I’m still receiving same error.
Thank you for your help in advance

Posted 24-Jun-12 13:55pm

geeta2011

Updated 24-Jun-12 15:45pm

Karthik. A

v2

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Karthik. A · Accepted Answer · 2012-06-24T15:44:00

You have multiple options to deal with this. Some of them are:

1. "\" is not a url friendly character. So you will have to UrlEncode your string when using it in html (for example in the "target" property). So changing the following

C#

@Html.ActionLink("change", "changeCity", new { id = item.myCountyCity })

to

C#

@Html.ActionLink("change", "changeCity", new { id = Server.UrlEncode(item.myCountyCity) })

On the controller, in your action method, you will have to "UrlDecode", like. Server.UrlDecode(id).

2. You can split your input by "\" and supply the action method with 2 parameters - country and city. So you action method would look like

C#

public ActionResult Index(string country, string city)
{
   return View();
}

And then your route will be

C#

routes.MapRoute(
"CityCountyRoute",
"{controller}/{action}/{country}/{city}",
new { controller = "Home", action = "Index", county = @"\s+", city = @"\s+" });

where country and city are non-empty strings. Now you could have your Html.ActionLink call as

C#

@Html.ActionLink("change", "changeCity", new { country = item.myCountyCity.Split('\\').First(), city = item.myCountyCity.Split('\\').Last() })

Even better way would be do this would be to do this in the controller and have these values in a model which is passed to the view. Because the lesser the amount of code in your views, better it is!

Hope this helps!