The following example will demonstrate to you how to send email in ASP.Net VB using the SMTP class. VB.Net allows sending e-mails from your web application. The System.Net.Mail namespace contains classes used for sending e-mails to a Simple Mail Transfer Protocol (SMTP) server for delivery.
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How to send email in ASP.Net VB Code
Find the below points which are required to send an email:-
- You must specify the SMTP host server that you use to send an e-mail. The Host and Port properties will be different for the different host servers. We will be using the Gmail server.
- You need to give the credentials for authentication if required by the SMTP server.
- You should also provide the email address of the sender and the e-mail address or addresses of the recipients using the MailMessage.From and MailMessage.To properties, respectively.
- You should also specify the message content using the MailMessage.Body property.
Now let’s create an asp.net web application and add a VB.aspx web form, find the source code below:-
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="VB.aspx.vb" Inherits="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>How to Send Email in ASP.Net VB</title>
<style type="text/css">
body
{
font-family: Arial;
font-size: 10pt;
}
table
{
border: 1px solid #ccc;
border-collapse: collapse;
}
table th, table td
{
padding: 5px;
}
table, table table td
{
border: 0px solid #ccc;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<h2>How to Send Email in ASP.Net VB - Demo</h2>
<table border="0" cellpadding="0" cellspacing="0">
<tr>
<td>To:</td>
<td><asp:TextBox ID="txtTo" runat="server" /></td>
</tr>
<tr>
<td>Subject:</td>
<td><asp:TextBox ID="txtSubject" runat="server" /></td>
</tr>
<tr>
<td valign = "top">Body:</td>
<td><asp:TextBox ID="txtBody" runat="server" TextMode="MultiLine" Height="150" Width="200" /></td>
</tr>
<tr>
<td></td>
<td><asp:Button ID="btnSend" Text="Send" runat="server" OnClick = "SendEmail" /></td>
</tr>
</table>
</form>
</body>
</html>VB.aspx.vb
Imports System.Net
Imports System.Net.Mail
Imports System.Net.Configuration
Partial Class VB
Inherits System.Web.UI.Page
Protected Sub SendEmail(sender As Object, e As System.EventArgs)
Dim smtpSection As SmtpSection = CType(ConfigurationManager.GetSection("system.net/mailSettings/smtp"), SmtpSection)
Using mm As MailMessage = New MailMessage(smtpSection.From, txtTo.Text.Trim())
mm.Subject = txtSubject.Text.Trim()
mm.Body = txtBody.Text.Trim()
mm.IsBodyHtml = False
Dim smtp As SmtpClient = New SmtpClient
smtp.Host = smtpSection.Network.Host
smtp.EnableSsl = smtpSection.Network.EnableSsl
Dim networkCred As NetworkCredential = New NetworkCredential(smtpSection.Network.UserName, smtpSection.Network.Password)
smtp.UseDefaultCredentials = smtpSection.Network.DefaultCredentials
smtp.Credentials = networkCred
smtp.Port = smtpSection.Network.Port
smtp.Send(mm)
Response.Write("Your email has been sent sucessfully.")
End Using
End Sub
End ClassWeb.config
<?xml version="1.0"?>
<!--
For more information on how to configure your ASP.NET application, please visit
http://go.microsoft.com/fwlink/?LinkId=169433
-->
<configuration>
<system.net>
<mailSettings>
<smtp deliveryMethod="Network" from="sender@gmail.com">
<network
host="smtp.gmail.com"
port="587"
enableSsl="true"
userName="sender@gmail.com"
password="sender@gmail.com password"
defaultCredentials="true"/>
</smtp>
</mailSettings>
</system.net>
<system.web>
<compilation targetFramework="4.0" debug="true"/>
<pages controlRenderingCompatibilityVersion="3.5" clientIDMode="AutoID"/>
</system.web>
</configuration>Conclusion
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