Routing in MVC 4 and 5

•  Routing  is a pattern matching system
•  Routing maps incoming request (from browser) to a particular resource(controller and action   Method)

  Every Request come routing   match Route Table then  call particular  controller

 Route Table

  We define route for each action method

  All the routes  are stored in route table

  Each incoming request mapped to this route table

There are 2 type use Routing in MVC Application

Traditional Way

Attribute routing

                                                     Traditional Way

In  a traditional   way  routing define route particular file routeconfig.cs with in app-start folder
Routeconfig.cs  Code

   public class RouteConfig
    {
        public static void RegisterRoutes(RouteCollection routes)
        {
            routes.IgnoreRoute("{resource}.axd/{*pathInfo}");

            routes.MapRoute(
                name: "allstudents",
                url: "students",
                defaults:new {controller= "Student" ,action= "GetAllStudent" }
             
           );
            routes.MapRoute(
                 name: "Students",
                 url: "students/{id}",
                 defaults: new { controller = "Student", action = "GetSingleStudent" },
                   constraints: new { id = @"\d+" }
            );
            routes.MapRoute(
              name: "StudentsAddress",
              url: "students/{id}/Address",
              defaults: new { controller = "Student", action = "StudentAddress" }
         );
         routes.MapRoute(
                name: "Default",
                url: "{controller}/{action}/{id}",
                defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
            );
           
        }
    }