how to execute a process when a file is uploaded

[Spikeypaul]

Let me begin by informing you guys about what am trying to do.
I am building an ASP.NET application that takes in an xml file uploaded from the client, and process its information and shows it in an excel sheet on a web page. The process works when i choose a local xml file while testing it in my web server.

The problem is that I do not know how to initiate the process right after the file has been uploaded 100%.

How can I tell the ASP page that when a file is uploaded.... to store the name of the file in memory, so that when its 100% finish it can point to that file and execute the process.

Thanks guys...hope you can help me

[Memnoch1207]

Is the process that needs to be executed external (outside the application) or internal?

[Spikeypaul]

Internal