asp.net mvc optional parameter

Question

I am trying here to kinda merge 2 routes in 1 with asp.net mvc

These routes are :

http://www.example.com/e/1

and

http://www.example.com/e/1,name-of-the-stuff

Currently it is set as this in the Global.asax.cs :

routes.MapRoute(
    "EventWithName",
    "e/{id},{name}",
    new { controller = "Event", action = "SingleEvent", id = "" },
    new { id = @"([\d]+)" }
);

routes.MapRoute(
    "SingleEvent",
    "e/{id}",
    new { controller = "Event", action = "SingleEvent", id = "" },
    new { id = @"([\d]+)" }
);

I tried to handle it by modifying the 1st route like this one :

routes.MapRoute(
    "EventWithName",
    "e/{id}{name}",
    new { controller = "Event", action = "SingleEvent", id = "" },
    new { id = @"([\d]+)", name = @"^,(.*)" }
);

It is not working as I need to separate the 2 parameters with a slash or at least a character.

My most possible idea to solve this would be using the regex, as I only need the id part. The name is only descriptive and used for SEO purposes. Basically is there a way to use some kind of Regex of the type of ([\d]+),(.*) and the for id = "$1" or something like that ?

m3kh · Accepted Answer · 2009-11-10 08:02:54Z

3

Maybe it helps

routes.MapRoute(
    "Default",
    "{controller}/{action}/{id}/{*keywords}",
    new { controller = "Home", action = "Index", id = 0 },
    new { id = "(\\d+)" }
);

answered Nov 10, 2009 at 8:02

m3kh

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4 Comments

Erick Over a year ago

I would need to format my URLs like this : example.com/Events/SingleEvent/1/name-of-the-stuff, which is not exactly what I look for.

Brannon Over a year ago

Not necessarily. The key point of this answer is the {keywords} part. Try adding the '' to your route, with the comma. If the ",foo" part is optional, try using two routes, first with both parts, second with just the {id}.

m3kh Over a year ago

Brannon is right. I think the format /1/what-is-new is better than /1,what-is-new. As you can see in the StackOverflow qustion url. anyway, you can not use two parameters in the same segment or a literal text between them.

Erick Over a year ago

It seems it is the easiest way to work around. I'll use it for now and see later I guess :-) thanks for the pointer!

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