I need a functionality where my clients download Excel files and after they
do, I do some processing.  Downloading is easily achieved using a anchor or
hyperlink tag, but that does not give me the full functionality I am after.
So, I came up with a way to download the files using a stream but after I
download the file and try to open it in Excel I get garbage.

This is the code I use for the download function.  Please help if you have
any ideas or suggestions. Thanks in advance.

Ali
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As

System.EventArgs) Handles MyBase.Load

Dim path As String
Dim fs As New FileStream(path, FileMode.Open)
Dim byteRead As Integer

path = Server.MapPath(Request("fileToDownload"))

Response.ClearHeaders()
Response.Clear()
Response.AddHeader("Content-Disposition", "attachment; filename=" &
Request("fileToDownload").ToString
Response.ContentType = "application/XYZ"

byteRead = fs.ReadByte()

While byteRead <> -1
Response.Write(byteRead)
byteRead = fs.ReadByte()
End While

fs.Close()

End Sub