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Old August 18th, 2011, 03:38 AM
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Default Problem in file upload control in asp.ent ?

This is santosh from India. My friend told me about your online forum. It is very good effort of any programmer. I am learing webdesigning and working on project on the platform asp.net in which I would like to add file upload control. Pls look into the error.

public partial class Default3 : System.Web.UI.Page
protected void Page_Load(object sender, EventArgs e)

protected void btnsend_Click(object sender, EventArgs e)
MailMessage mail = new MailMessage();

mail.From = new MailAddress(txtFrom.Text);
mail.CC.Add = (txtCC.Text);

mail.Subject = txtSubject.Text;
mail.Body = txtMessage.Text;

mail.IsBodyHtml = true;

//Attach file using FileUpload Control and put the file in memory stream
if (FileUpload1.HasFile)
mail.Attachments.Add(new Attachment(FileUpload1.PostedFile.InputStream, FileUpload1.FileName));
if (FileUpload2.HasFile)
mail.Attachments.Add(new Attachment(FileUpload1.PostedFile.InputStream, FileUpload1.FileName));
if (FileUpload3.HasFile)
mail.Attachments.Add(new Attachment(FileUpload1.PostedFile.InputStream, FileUpload1.FileName));
SmtpClient smtp = new SmtpClient();
smtp.Host = "smtp.gmail.com"; //Or Your SMTP Server Address
smtp.Credentials = new System.Net.NetworkCredential
("[email protected]", "********");
//Or your Smtp Email ID and Password
smtp.EnableSsl = true;


The contact form is working fine but the only problem is that I am not getting senders email addres in From section of emial service provider "[email protected]" always comes whcih my email address and the problem is that if I do not know who send me email then how can I reply him.. So I would like to grab the sender's email addres by creating a textbox inwhich visitor has to fill his email address and that email address delivered as body of email.

Last edited by asp.net123; August 18th, 2011 at 03:41 AM.. Reason: spelling mistake
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Old August 19th, 2011, 10:09 AM
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Isn't that simply a matter of appending the address to the body?

mail.Body = txtMessage.Text + "\r\nFrom: " + txtFrom.Text;


Imar Spaanjaars
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Author of Beginning ASP.NET 4.5 : in C# and VB, Beginning ASP.NET Web Pages with WebMatrix
and Beginning ASP.NET 4 : in C# and VB.
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