Dowloading a File?

I have an application that creates a file and I want to have it downloaded by the user. How do I go about giving that file to the user via code?

I have created an ASP.NET site and I am using C# in the background.

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Try this
System.IO.FileInfo file = New System.IO.FileInfo(path) //path is a path name for the file u created
If (file.Exists)
   Response.AddHeader("Content-Disposition", "attachment; filename=" & file.Name);
   Response.AddHeader("Content-Length", file.Length.ToString());
   Response.ContentType = "application/octet-stream";
   Response.Write("This file does not exist.");

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