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Question

ATT00006.dat file autmatically attached in mail attachment

Answer 1

A:

I think the mail server you are using (or antivirus software used by the mail server) is automatically adding this file.

Does the file in question contain anything, or is it empty?

Cocowalla 2009-09-09 06:48:28

but when we attach file, then this ATT00006.dat is not attached in email?

Muhammad Akhtar 2009-09-09 06:51:59

what does mean check this URL http://nextech.pk/Enquiry.aspx?Enq=cu if user upload file in fileupload control then file will be attached otherwise empty

Muhammad Akhtar 2009-09-09 07:08:52

Sorry, what I mean is does the file ATT00006.dat have any contents?

Cocowalla 2009-09-09 07:13:13

its 121 bytes and I have try to open it and it is not opened, but I don't think this file contain something

Muhammad Akhtar 2009-09-09 07:17:30

If the file is 121 bytes, then it must contain *something* :)Try opening it in notepad to see what it contains

Cocowalla 2009-09-09 07:19:56

Its empty, I have open in notepad

Muhammad Akhtar 2009-09-09 07:26:58

Answer 2

+1 A:

Its a mis-match in the attachment type that the system doesn't understand. Please post your code and what you do when there is not file as an attachment.

Shoban 2009-09-09 06:51:24

I have posted code, please check, thanks

Muhammad Akhtar 2009-09-09 07:01:55

When there is not file attached. Do you see the text "This email also contains an attachment " text along with the ATT00006.dat attachment.

Shoban 2009-09-09 07:32:06

yes.. this is the text.... This email also contains an attachment:- ()

Muhammad Akhtar 2009-09-09 07:38:49

if user upload file, then it is like... This email also contains an attachment:- (uploaded file name)

Muhammad Akhtar 2009-09-09 07:39:32

I asked when there is no attachment then do you see the line which says "the email also contains .... ".... i.e do you see it everytime or only when there is atttchment?

Shoban 2009-09-09 07:52:06

every time i am seeing in the email

Muhammad Akhtar 2009-09-09 07:56:05

ok. the instead of using if (hpf != null) . Try using if (fup1.HasFile) and see whether it works.

Shoban 2009-09-09 08:06:30

yes, I already have assumed same and have tested it on live server

Muhammad Akhtar 2009-09-09 08:43:13

and.....?

Shoban 2009-09-09 09:54:51

what???????????

Muhammad Akhtar 2009-09-10 03:52:03

Answer 3

A:

Finally it works. actually this page is made by one of other developer

what was the issue is, he took object httppostedfile and assign

System.Web.HttpPostedFile hpf = fup1.PostedFile;

he put the conditon every where and this return always true whether fileupload control has file or not, because of fup1 control existenance and this will not have hpf.hasfile property, so finally I use fileupload control directly and use hasfile property and other peroperty directly

if (hpf != null)
    { 
    }

so the code look like...

String toEmail = "[email protected]";
    String fromEmail = "[email protected]";
    MailMessage objMail = new MailMessage(fromEmail, toEmail);

    objMail.IsBodyHtml = true;
    objMail.Subject = "Subject";

    StringBuilder MailBody = new StringBuilder();

    MailBody.Append("<html><head></head><body> <br>");
    MailBody.Append("<br>" + "An enquiry is filed <br><br>");
    MailBody.Append("<strong><u>Enquirer Information</u></strong>" + "<br><br>");
    MailBody.Append("<strong>Contact Name:</strong>&#09;" + txtFirstName.Text + "<br>");
    MailBody.Append("<strong>Email:</strong>&#09;&#09;&#09; " + txtEmail.Text + "<br>");
    MailBody.Append("<strong>Institute:</strong>&#09;&#09; " + txtInstitute.Text + "<br>");
    MailBody.Append("<strong>Phone #:</strong>&#09;&#09; " + txtPhone.Text + "<br>");

    MailBody.Append("<br><strong>Description:</strong><br>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; " + txtEnquiry.Text + "<br>");

    if (fup1.HasFile)
    {
        MailBody.Append("<br>" + "This email also contains an attachment:- <Strong>(" + fup1.FileName + ")</Strong><br>");
    }

    MailBody.Append("</body></html>");
    objMail.Body = MailBody.ToString();

    if (fup1.HasFile)
    {
        System.IO.Stream inputStream = fup1.PostedFile.InputStream;
        String fileName = fup1.FileName;
        Attachment attach = new Attachment(inputStream, fileName);

        objMail.Attachments.Add(attach);
    }
    SmtpClient SmtpClnt = new SmtpClient();
    SmtpClnt.Send(objMail);

Many Thanks Shoban and CocoWalla for their help

Muhammad Akhtar 2009-09-09 08:58:35

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ATT00006.dat file autmatically attached in mail attachment

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