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I tried to remove the .aspx extension in the url bar for my web page but it is showing error my code is,

global.asax file:

void Application_Start(object sender, EventArgs e)

       private void RegisterRoutes(RouteCollection routeCollection)
           routeCollection.MapPageRoute("RouteForCustomer", "Customer/{Id}", "~/Customer.aspx");

my web page code is:

protected void Page_Load(object sender, EventArgs e)
                    string id = Page.RouteData.Values["Id"].ToString();
                    Response.Write("<h1>Customer Details page</h1>");
                    Response.Write(string.Format("Displaying information for customer : {0}", id));
            catch (Exception ex)
                throw ex;

error is:

object reference not set to an instance of an object. In the line string id in customer.aspx.
That means Page.RouteData.Values["Id"] is null. Please debug and check.
riodejenris14 6-Aug-13 6:28am
I know that but i dono how to check and solve the issue!!!

1 solution

If you ignore a mismatch in '}' in your code nothing is wrong here. You only have to write correct URL in the browser -

Here you need to take care of the Route URL. which refers to Customer so that has to be present in the URL. And, a parameter which refers to the Id.

I hope this helps. :)
riodejenris14 6-Aug-13 6:38am
Ya! its working, but how could i load the page initially without the extensions.
Ashutosh Mahto 6-Aug-13 8:27am
If you want to set the start-up URL while debugging, you can follow this procedure -
1. Select on the Web Project, in solution explorer
2. Right Click -> Properties
3. In Properties window, click onto the Web Tab on the left side.
4. Click on the Start URL radio button. That will enable to start with a desired URL
5. Set url as - http://your-domain/Customer/1
a. If you are using localhost with some port specify it as - http://localhost:56567/Customer/1
b. If you are using Visual Studio Development server and ports are automatically assigned, you can set a fixed port in the same tab's Server section, Specific Port

And DONE!!!! :)

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