URL Rewriting In ASP.NET 4.0/ 4.5 WebForm

<system.webServer>  

    <modules runAllManagedModulesForAllRequests="true">  

      <remove name="UrlRoutingModule"/>  

      <add name="UrlRoutingModule"  

           type="System.Web.Routing.UrlRoutingModule, System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />  

    </modules>  

    <handlers>  

       <add name="UrlRoutingHandler"   

             preCondition="integratedMode"   

             verb="*"   

             path="UrlRouting.axd"   

             type="System.Web.HttpForbiddenHandler, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"/>  

      <remove name="UrlRoutingHandler"/>  

    </handlers>  

  </system.webServer>  

routes.MapPageRoute("CsharpCode", "CsharpCode-abhishek-list", "~/csharpcode.aspx");  

//Route Name   : CsharpCode

//Route URL    :  CsharpCode-abhishek-list

//Physical File:   ~/csharpcode.aspx

Code of Global.asax file 

<%@ Application Language="C#" %>  

<%@ Import Namespace="System.Web.Routing" %>  

<script runat="server">  

    void Application_Start(object sender, EventArgs e)   

    {  

        // Code that runs on application startup  

        RegisterRoutes(RouteTable.Routes);  

    }  

    static void RegisterRoutes(RouteCollection routes)  

    {  

        routes.MapPageRoute("myfriend1", "csharpcorner-friend-list", "~/FriendList.aspx");  

        //Route Name   : myfriend1   

        //Route URL    : csharpcorner-friend-list  

        //Physical File: FriendList.aspx  

    }  

    void Application_End(object sender, EventArgs e)   

    {  

        //  Code that runs on application shutdown  

    }  

    void Application_Error(object sender, EventArgs e)   

    {   

        // Code that runs when an unhandled error occurs  

    }  

    void Session_Start(object sender, EventArgs e)   

    {  

        // Code that runs when a new session is started  

    }  

    void Session_End(object sender, EventArgs e)   

    {  

        // Code that runs when a session ends.   

        // Note: The Session_End event is raised only when the sessionstate mode  

        // is set to InProc in the Web.config file. If session mode is set to StateServer   

        // or SQLServer, the event is not raised.  

    }  

</script>   

Code of Global.asax file 

<%@ Application Language="C#" %>  

<%@ Import Namespace="System.Web.Routing" %>  

<script runat="server">  

    void Application_Start(object sender, EventArgs e)   

    {  

        // Code that runs on application startup  

        RegisterRoutes(RouteTable.Routes);  

    }  

    static void RegisterRoutes(RouteCollection routes)  

    {  

        routes.MapPageRoute("myfriend1", "csharpcorner-friend-list", "~/FriendList.aspx");  

        //Route Name   : myfriend1   

        //Route URL    : csharpcorner-friend-list  

        //Physical File: FriendList.aspx  

    }  

    void Application_End(object sender, EventArgs e)   

    {  

        //  Code that runs on application shutdown  

    }  

    void Application_Error(object sender, EventArgs e)   

    {   

        // Code that runs when an unhandled error occurs  

    }  

    void Session_Start(object sender, EventArgs e)   

    {  

        // Code that runs when a new session is started  

    }  

    void Session_End(object sender, EventArgs e)   

    {  

        // Code that runs when a session ends.   

        // Note: The Session_End event is raised only when the sessionstate mode  

        // is set to InProc in the Web.config file. If session mode is set to StateServer   

        // or SQLServer, the event is not raised.  

    }  

</script>