This tutorial will show you how to send a simple email message with an attachment using ASP.NET 2.0 and VB.NET
Sending a email with an attachment using ASP.NET 2.0 and VB.NET is actually very simple.
First, you will need to import the System.Net.Mail namespace.
The System.Net.Mail namespace contains the SmtpClient and MailMessage Classes that we need in order to send the email and the message attachment.
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We use the btnSubmit_Click event to do the work.
We then call the emailClient.Send to send the message using the variables from our ASP.NET coded page.
The txtAttachmentPath.Text Texbox provides the path to the file to attach to the email message.
Protected Sub btnSubmit_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnSubmit.Click
Try
Dim SendFrom As MailAddress = New MailAddress(txtFrom.Text)
Dim SendTo As MailAddress = New MailAddress(txtTo.Text)
Dim MyMessage As MailMessage = New MailMessage(SendFrom, SendTo)
MyMessage.Subject = txtSubject.Text
MyMessage.Body = txtBody.Text
Dim attachFile As New Attachment(txtAttachmentPath.Text)
MyMessage.Attachments.Add(attachFile)
Dim emailClient As New SmtpClient(txtSMTPServer.Text)
emailClient.Send(MyMessage)
litStatus.Text = "Message Sent"
Catch ex As Exception
litStatus.Text = ex.ToString()
End Try |
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The front end .aspx page looks something like this:
<table width="600" border="0" align="center" cellpadding="5" cellspacing="1" bgcolor="#cccccc">
<tr>
<td width="100" align="right" bgcolor="#eeeeee" class="header1"> To</td>
<td bgcolor="#FFFFFF"><asp:TextBox ID="txtTo" runat="server" Columns="50"></asp:TextBox>
</td>
</tr>
<tr>
<td width="100" align="right" bgcolor="#eeeeee" class="header1"> From</td>
<td bgcolor="#FFFFFF"><asp:TextBox ID="txtFrom" runat="server" Columns="50"></asp:TextBox>
</td>
</tr>
<tr>
<td align="right" bgcolor="#eeeeee" class="header1"> SMTP Server</td>
<td bgcolor="#FFFFFF"><asp:TextBox ID="txtSMTPServer" runat="server" Columns="50"></asp:TextBox></td>
</tr>
<tr>
<td width="100" align="right" bgcolor="#eeeeee" class="header1"> Subject</td>
<td bgcolor="#FFFFFF"><asp:TextBox ID="txtSubject" runat="server" Columns="50"></asp:TextBox></td>
</tr>
<tr>
<td align="right" bgcolor="#eeeeee" class="header1"> Attachment</td>
<td bgcolor="#FFFFFF">
<asp:TextBox ID="txtAttachmentPath" runat="server" Columns="50"></asp:TextBox></td>
</tr>
<tr>
<td width="100" align="right" bgcolor="#eeeeee" class="header1"> Body</td>
<td bgcolor="#FFFFFF"><asp:TextBox ID="txtBody" runat="server" Columns="40" TextMode="MultiLine"></asp:TextBox></td>
</tr>
<tr>
<td align="right" bgcolor="#eeeeee" class="header1">Action</td>
<td bgcolor="#FFFFFF"><asp:Button ID="btnSubmit" runat="server" Text="Send Email" OnClick="btnSubmit_Click" /></td>
</tr>
<tr>
<td width="100" align="right" bgcolor="#eeeeee" class="header1">Status</td>
<td bgcolor="#FFFFFF" class="basix"><asp:Literal ID="litStatus" runat="server"></asp:Literal></td>
</tr>
</table>
|
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The flow for the code behind page is as follows.
Imports System.Net.Mail
Partial Class _Default
Inherits System.Web.UI.Page
Protected Sub btnSubmit_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnSubmit.Click
Try
Dim SendFrom As MailAddress = New MailAddress(txtFrom.Text)
Dim SendTo As MailAddress = New MailAddress(txtTo.Text)
Dim MyMessage As MailMessage = New MailMessage(SendFrom, SendTo)
MyMessage.Subject = txtSubject.Text
MyMessage.Body = txtBody.Text
Dim attachFile As New Attachment(txtAttachmentPath.Text)
MyMessage.Attachments.Add(attachFile)
Dim emailClient As New SmtpClient(txtSMTPServer.Text)
emailClient.Send(MyMessage)
litStatus.Text = "Message Sent"
Catch ex As Exception
litStatus.Text = ex.ToString()
End Try
End Sub |
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