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RouteCollectionExtensions.MapRoute Method (RouteCollection, String, String, Object, Object)

.NET Framework 4

Maps the specified URL route and sets default route values and constraints.

Namespace:  System.Web.Mvc
Assembly:  System.Web.Mvc (in System.Web.Mvc.dll)
public static Route MapRoute(
	this RouteCollection routes,
	string name,
	string url,
	Object defaults,
	Object constraints
)

Parameters

routes
Type: System.Web.Routing.RouteCollection
A collection of routes for the application.
name
Type: System.String
The name of the route to map.
url
Type: System.String
The URL pattern for the route.
defaults
Type: System.Object
An object that contains default route values.
constraints
Type: System.Object
A set of expressions that specify values for the url parameter.

Return Value

Type: System.Web.Routing.Route
A reference to the mapped route.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type RouteCollection. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
ExceptionCondition
ArgumentNullException

The routes or url parameter is null.

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