ASP.NET MVC 3.0 Url Routing Issue

Question

Hi I have registered route as below :-

 routes.MapLocalizedRoute("Category",
                        "{SeName}-c{categoryId}",
                        new { controller = "Catalog", action = "Category", SeName =       UrlParameter.Optional },
                        new { categoryId = @"\d+", SeName = @"([-\w+]+(/[-\w+]+)*)+" },
                        new[] { "Nop.Web.Controllers" });

 routes.MapLocalizedRoute("CategoryWithManufacture",
                   "{SeName}-d{categoryId}/{ManufactureName}/{Color}",
                   new { controller = "Catalog", action = "Category", SeName = UrlParameter.Optional, Color = UrlParameter.Optional },
                   new { categoryId = @"\d+", SeName = @"([-\w+]+(/[-\w+]+)*)+", ManufactureName = @"([-\w+]+(/[-\w+]+)*)+", Color = @"([-\w+]+(/[-\w+]+)*)+" },
                   new[] { "Nop.Web.Controllers" });

We generate these like below :-

 href="@Url.RouteUrl("CategoryWithManufacture", new { categoryId = currentCategoryId, SeName = seName, ManufactureName = manufacturerFilterItem.Name, Color = color })"


 href="@Url.RouteUrl("Category", new { categoryId = currentCategoryId, SeName = seName})"

There is a way to assign value directly to second parameter "Color" without assign value to "ManufactureName". means :- (Using CategoryWithManufacture Route)

/gloves-d18/red  (second parameter)
/gloves-d18/hp/red (first and second both)

I have tried these by making manufactureName & color both optional but when we assign value to first parameter not second it , it work . But we assign value to second parameter not first ,then it is not work .

Please suggest me usable link or sample code.

Darin Dimitrov · Accepted Answer · 2012-01-26 06:56:41Z

1

Only the last parameter can be optional in a route definition. Given the following url /gloves-d18/red the route engine cannot possible know that red refers here to {Color} and not {ManufactureName}. The only to make this work is to write some constraint for those 2 parts. Right now they both have the exactly same regular expression constraint.

answered Jan 26, 2012 at 6:56

Darin Dimitrov

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1 Comment

Sushant Bhatnagar Over a year ago

please suggest me any modification in my route.

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