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Routing In Web API

In ‘Introduction to Web API’ article, you saw that we are accessing get method in TestController like http://localhost:19800/api/Test. The reason is the route is registered in this way.

But you can modify the route in WebApiConfig.cs (in App_Start folder).

Modifying Route

If you look at the existing code, you see the following

public static void Register(HttpConfiguration config) {
	// Web API configuration and services

	// Web API routes
	config.MapHttpAttributeRoutes();

	config.Routes.MapHttpRoute(
	name: "DefaultApi", routeTemplate: "api/{controller}/{id}", defaults: new {
		id = RouteParameter.Optional
	});
}

As you can see in the preceding code, the default path is ‘api’ followed by the controller name, followed by optional ‘id’ field.

We can change the route. For example, we can remove the word ‘api’ or change the ‘api’ to ‘routeapi’. So the preceding code will be

public static void Register(HttpConfiguration config) {
	// Web API configuration and services

	// Web API routes
	config.MapHttpAttributeRoutes();

	config.Routes.MapHttpRoute(
	name: "DefaultApi", routeTemplate: "routeapi/{controller}/{id}", defaults: new {
		id = RouteParameter.Optional
	});
}

Invoking A Service

As you have changed the path, now service will be invoked using http://localhost:19800/routeapi/Test instead of http://localhost:19800/api/test

Posted By -	Karan Gupta

Posted On -	Monday, January 18, 2016

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