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HomeHomeDevelopment and...Development and...DNN Platform (o...DNN Platform (o...Deleting attachment after sendmailDeleting attachment after sendmail
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11/19/2015 4:41 AM
 

Hello,

I'm using  DotNetNuke.Services.Mail.Mail.SendMail with overload that accept list of system.net.mail.attachment. After successfully sent the email (and received it), I cannot delete files because they are in use. Some minutes later, files can be manually deleted.

Anyone can suggest me a way to "free" them after the email is sent? This is the code I used:

 
Dim lAttachments As New List(Of System.Net.Mail.Attachment)

For Each lFile As Telerik.Web.UI.UploadedFile In RadAsyncUploadAllegati.UploadedFiles
    Dim attachment As New System.Net.Mail.Attachment(lFile.InputStream, lFile.FileName)
    lAttachments.Add(attachment)
Next

Dim lblnErrori As Boolean

Try
    Dim lstrRisultato As String
    lstrRisultato = DotNetNuke.Services.Mail.Mail.SendMail(lstrHostEMail, lstrDestinatarioHelpDesk, String.Empty, String.Empty, txtEMail.Text.Trim, Services.Mail.MailPriority.Normal, lstrOggetto, Services.Mail.MailFormat.Html, System.Text.Encoding.UTF8, lstrBody, lAttachments, lstrSMTPServer, "", "", "", False)   

Catch ex As Exception
    lblnErrori = True
End Try

If Not lblnErrori Then
    pnlRichiesta.Visible = False
    pnlConferma.Visible = True
Else
    lblErrori.Text = "Impossibile inviare il messaggio!"
End If

lAttachments.Clear()

For Each lFile As Telerik.Web.UI.UploadedFile In RadAsyncUploadAllegati.UploadedFiles
    Dim lstrNomeFileTemporaneo As String
    lstrNomeFileTemporaneo = DirectCast(lFile.InputStream, System.IO.FileStream).Name

    Try
        lFile.InputStream.Close()
        lFile.InputStream.Dispose()
    Catch ex As Exception

    End Try

    Try
        System.IO.File.Delete(lstrNomeFileTemporaneo) 'THIS LINE PRODUCES ERROR
    Catch ex As Exception

    End Try
Next

 

 

Thanks

 
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