<system.net>
<mailSettings>
<smtp from="YourEmailid@gmail.com" deliveryMethod="Network">
<network host="smtp.gmail.com" port="587"
userName="YourEmailid@gmail.com"
password="yourPassword"/>
smtp>
mailSettings>
system.net>
<%@ PageLanguage="C#"AutoEventWireup="true"CodeFile="Default.aspx.cs"Inherits="_Default"%>
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 runat="server">
<title>Untitled Pagetitle>
<style type="text/css">
table.hovertable
{
font-family: verdana,arial,sans-serif;
font-size: 11px;
color: #333333;
border-width: 1px;
border-color: #999999;
border-collapse: collapse;
}
table.hovertableth
{
background-color: #c3dde0;
border-width: 1px;
padding: 8px;
border-style: solid;
border-color: #a9c6c9;
}
table.hovertabletr
{
background-color: #d4e3e5;
}
table.hovertabletd
{
border-width: 1px;
padding: 8px;
border-style: solid;
border-color: #a9c6c9;
}
style>
<script type="text/javascript">
functionEmailvalidation()
{
if(document.getElementById("txtBoxTo").value=="")
{
alert('Please Enter Email ID');
document.getElementById("txtBoxTo").focus();
returnfalse;
}
varemailPat = /^[^@]+@[^@.]+\.[^@]*\w\w$/ ;
varemailid=document.getElementById("txtBoxTo").value;
varmatchArray = emailid.match(emailPat);
if(matchArray == null)
{
alert('Please Enter Correct Email ID');
document.getElementById("txtBoxTo").focus();
returnfalse;
}
if(document.getElementById("txtBoxCC").value=="")
{
alert('Please Enter Email ID');
document.getElementById("txtBoxCC").focus();
returnfalse;
}
varemailPat = /^[^@]+@[^@.]+\.[^@]*\w\w$/ ;
varemailid=document.getElementById("txtBoxCC").value;
var matchArray = emailid.match(emailPat);
if(matchArray == null)
{
alert('Please Enter Correct Email ID');
returnfalse;
}
}
script>
head>
<body>
<form id="form1" runat="server">
<div>
<table class="hovertable" align="center" width="44%">
<tr>
<td>
To
td>
<td>
<asp:TextBox ID="txtBoxTo"runat="server">asp:TextBox>
td>
tr>
<tr>
<td>
CC
td>
<td>
<asp:TextBox ID="txtBoxCC"runat="server">asp:TextBox>
td>
tr>
<tr>
<td>
Subject
td>
<td>
<asp:TextBox ID="txtBoxSubject"runat="server">asp:TextBox>
td>
tr>
<tr>
<td>
Attachment
td>
<td>
<asp:FileUpload ID="FileUpload1" runat="server" />
td>
tr>
<tr>
<td>
Message
td>
<td>
<asp:TextBox ID="txtareaMessage" runat="server"TextMode="MultiLine">asp:TextBox>
td>
tr>
<tr>
<td>
td>
<td>
td>
tr>
<tr>
<td colspan="2" align="center">
<asp:Button ID="btnSend" runat="server" Text="Send"OnClientClick="return Emailvalidation()"
OnClick="btnSend_Click" />
td>
tr>
<tr>
<td>
td>
<td>
td>
tr>
table>
div>
form>
body>
html>
using System;
usingSystem.Configuration;
usingSystem.Data;
usingSystem.Linq;
usingSystem.Web;
usingSystem.Web.Security;
usingSystem.Web.UI;
usingSystem.Web.UI.HtmlControls;
usingSystem.Web.UI.WebControls;
usingSystem.Web.UI.WebControls.WebParts;
usingSystem.Xml.Linq;
usingSystem.Net.Mail;
using System.IO;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(objectsender, EventArgs e)
{
}
protected void btnSend_Click(objectsender, EventArgs e)
{
SmtpClientsmtp = new SmtpClient();
MailMessagemsg = new MailMessage();
smtp.EnableSsl = true;
msg.IsBodyHtml = true;
msg.To.Add(newMailAddress(txtBoxTo.Text));
if(txtBoxCC.Text != "")
msg.CC.Add(newMailAddress(txtBoxCC.Text));
msg.Subject = txtBoxSubject.Text;
msg.Body = txtareaMessage.Text;
if(FileUpload1.PostedFile.ContentLength > 0)
{
Attachmentattachment = newAttachment(Path.GetFullPath(FileUpload1.PostedFile.FileName));
msg.Attachments.Add(attachment);
}
smtp.EnableSsl = true;
objectstate = msg;
smtp.SendCompleted += newSendCompletedEventHandler(smtpClient_SendCompleted);
smtp.Send(msg);
fnAlert("Email Sent Successfully.");
}
private static voidsmtpClient_SendCompleted(object sender, System.ComponentModel.AsyncCompletedEventArgse)
{
MailMessagemail = e.UserState as MailMessage;
if(!e.Cancelled && e.Error != null)
{ }
else
{ }
}
}
Conclusion:
In this article, we explored how easy it is to send Email’s using the classes in System.Net.Mail. This approach of sending mails will remain the same for web as well as windows application.
Downloads
You can download the complete source code in C# .
Send_Email_With_Attachement_Using_Gmail.zip
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