How to generate dynamic sitemap in asp.net?

@vinnie 

To generate a dynamic sitemap in ASP.NET, you can follow these steps:

1. Create a new ASP.NET Web Forms or MVC project in Visual Studio.
2. Add a new XML file to your project and name it "sitemap.xml". This file will be used to store the dynamic sitemap data.
3. Add a new ASPX or MVC controller action that will generate the sitemap dynamically. For example, in Web Forms, you can add a new ASPX page called "Sitemap.aspx". In MVC, you can add a new action method in a controller.
4. In the controller action or ASPX page, write code to fetch the necessary data from your database or any other data source and dynamically generate the sitemap XML. You can use LINQ or any other data access method to retrieve the required data.
5. Serialize the dynamic data into XML and store it in the "sitemap.xml" file. You can use the System.Xml.Serialization.XmlSerializer class or any other XML serialization method to accomplish this task.
6. In your ASP.NET project, configure the routing so that requests for "/sitemap.xml" are handled by the controller action or ASPX page you created in step 3. This can be done by adding a route in MVC or using URL rewriting in Web Forms.
7. Test the dynamic sitemap by accessing "/sitemap.xml" in your web browser or by using tools like Google's Sitemap Validator.

Remember to update the sitemap XML file whenever your data changes to ensure that search engines can discover the latest content on your website. You can automate this process by creating a background job or using a scheduled task to generate the sitemap XML file at regular intervals.