Deleting a client file after TransmitFile back to client RSS

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  gridlocked

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  Deleting a client file after TransmitFile back to client

  Apr 06, 2012 11:16 AM|LINK

  I'm trying to write a webpage that processes a clients file and then returns the file to the client.
  When the file processing is completed a completion message is output to the clients browser and a
  button is provided for the client to request the processed file.

  The following sub sends the file back to the client:

     Protected Sub Button1_Click(sender As Object, e As System.EventArgs) Handles ButtonSendClientFile.Click

          Dim attachName As String = "attachment; filename= " & Label1Copyname.Text
          Dim appPath As String = Request.PhysicalApplicationPath
          Dim saveDir As String = "ReturnToClientFiles\"
          Dim fileName As String = Label1Copyname.Text ' Get the name of the file to upload.
          Dim savePath As String = appPath + saveDir + fileName

          Response.ContentType = "text/plain"
          Response.AppendHeader("Content-Disposition", attachName)
          Response.TransmitFile(savePath)
          Response.End()
      End Sub

  The next thing I need to do is remove the clients file from my server folder "ReturnToClientFiles"
  If I add the line:

  My.Computer.FileSystem.DeleteFile(savePath)

  nothing happens, and wherever I place it - no result (except errors).

  How do I achieve wiping the file after sending to client on a single button click event?

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  DarrellNorto...

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  Re: Deleting a client file after TransmitFile back to client

  Apr 06, 2012 02:34 PM|LINK

  Try this:

  Response.TransmitFile(savePath);
  Response.Flush();
  File.Delete(savePath);
  Response.End();

  Darrell Norton, MVP
  Darrell Norton's Blog
  Please click "Mark as Answer" if this helped you.
  • Marked as answer by Dino He - MSFT on Apr 13, 2012 08:44 AM