how to map multiple routes in mvc

Question

I am having Home controller with default action as landing.

But for ErrorController default action should be index

In the RegisterRoutes method in Global.cs, I had written like this : -

        routes.MapRoute(
            "Default", // Route name
            "{controller}/{action}/{id}", // URL with parameters
            new { controller = "Home", action = "Landing", id = UrlParameter.Optional }

But when I am trying to redirect to error from Application_Error event : -

Exception error = Server.GetLastError();                    
string redirectUrl = "~/Error/id=" + errorId;
HttpContext.Current.Server.ClearError();
HttpContext.Current.Response.Redirect(redirectUrl);

it is throwing error - action landing not found.

Davin Tryon · Accepted Answer · 2013-04-05 11:06:47Z

3

Just add another route above your current route for the more specific Error case:

routes.MapRoute(
            "Error", // Route name
            "Error/{action}/{id}", // URL with parameters
            new { action = "Index", id = UrlParameter.Optional }

Also, this looks a bit strange:

string redirectUrl = "~/Error/id=" + errorId;

Seems like it would be more this this:

string redirectUrl = "~/Error?id=" + errorId;

answered Apr 5, 2013 at 11:06

Davin Tryon

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6 Comments

Anil Purswani Over a year ago

how about this - string redirectUrl = "~/Error/?id=" + errorId;

Anil Purswani Over a year ago

after adding additional routemap above the default route it throws error - "Value cannot be null or empty.\r\nParameter name: controllerName"

Davin Tryon Over a year ago

Are you adding the route above the default route? And changing the Route name?

Anil Purswani Over a year ago

yeah the same way you suggested

Davin Tryon Over a year ago

try to take out the {action} part of the uri template. "Error/{{id}", // URL with parameters

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tom.dietrich · Accepted Answer · 2013-04-05 11:09:21Z

0

Put this in your route mapping method before the other one, and it will give the error controller a different default action. Order is important here, routes are matched on a first-come, first-serve basis.

routes.MapRoute(
        "Error", // Route name
        "Error/{action}/{id}", // URL with parameters
        new { controller = "Error", action = "index", id = UrlParameter.Optional }

answered Apr 5, 2013 at 11:09

tom.dietrich

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1 Comment

Anil Purswani Over a year ago

after adding additional routemap above the default route it throws error - "Value cannot be null or empty.\r\nParameter name: controllerName"

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