DotNet: Send Mail From ASP.net and C#

using System.Net.Mail;

protected void Btn_SendMail_Click(object sender, EventArgs e)
    {
        try
        {

           MailMessage mailObj = new MailMessage(
                        txtFrom.Text, txtTo.Text, txtSubject.Text, txtBody.Text);
            SmtpClient SMTPServer = new SmtpClient(ser);
            SMTPServer.Credentials = new System.Net.NetworkCredential(usnam, pass);
            SMTPServer.Send(mailObj);
            Label1.Text = "Mail Sent successfully";
        }
        catch (Exception)
        {
            Label1.Text = "Check Your InternetConnection or email Configuration";
        }
    }
}
ser -> Smtp server Name.

You Can Also Try This Code,Using Attachment in Mail

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Net.Mail;
using MySql.Data.MySqlClient;
using System.Configuration;
using System.Data;
using System.Net;

public partial class sendmail : System.Web.UI.Page
{
MySqlConnection con = new MySqlConnection(ConfigurationManager.AppSettings["ConnectionString"].ToString());
MySqlCommand cmd = new MySqlCommand();
MySqlDataReader rd;
string ser = "", usnam = "", pass = "", Client = "";
MailMessage newmsg;
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack == true)
{

}
con.Open();
cmd = new MySqlCommand("select Server,Username,Password,fromadd,toadd,Client_id from email_confi", con);
rd = cmd.ExecuteReader();
while (rd.Read())
{
ser = rd[0].ToString();
usnam = rd[1].ToString();
pass = rd[2].ToString();
txtFrom.Text = rd[3].ToString();
txtTo.Text = rd[4].ToString();
Client = rd[5].ToString();
}
rd.Close();
con.Close();

}
protected void Btn_SendMail_Click(object sender, EventArgs e)
{
try
{
MailAddress mailfrom = new MailAddress(txtFrom.Text);
MailAddress mailto = new MailAddress(txtTo.Text);
newmsg = new MailMessage(mailfrom, mailto);

newmsg.Body = txtSubject.Text;
string path = Server.MapPath("~/Excel/");
FileUpload1.SaveAs(path + FileUpload1.FileName);
Attachment att = new Attachment(path + FileUpload1.FileName);

newmsg.Attachments.Add(att);
SmtpClient smtp = new SmtpClient(ser, 587);
smtp.UseDefaultCredentials = false;
smtp.Credentials = new NetworkCredential(usnam, pass);
smtp.EnableSsl = true;
smtp.Send(newmsg);
lblStatus.Text = "Sent email (" + txtSubject.Text + ") to " + txtTo.Text;

}
catch (Exception EX)
{
lblStatus.Text = "Check Your InternetConnection or email Configuration" + EX;
}
}
}

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="sendmail.aspx.cs" Inherits="sendmail" %>

<%@ Register assembly="AjaxControlToolkit" namespace="AjaxControlToolkit" tagprefix="ajax" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<head>

</head>

<ajax:ToolkitScriptManager ID="sc" runat="server" ></ajax:ToolkitScriptManager>

<ajax:RoundedCornersExtender runat="server" ID="RCE" TargetControlID="Panel2"

Radius="15" Enabled="True" ></ajax:RoundedCornersExtender>

<asp:Panel runat="server" ID="Panel2" BackColor="Brown"

Width="750px" >

<asp:Label ID="Label6" runat="server" Text="Send Mail" ForeColor="White"

Font-Bold="True" Font-Size="Larger" ></asp:Label>

</asp:Panel>

</center>

<%-- <div style="font-family: Verdana; font-size: small; font-weight: bold; font-style: normal; font-variant: normal; text-transform: none; color: #000000; text-align: left; text-indent: inherit; white-space: normal; word-spacing: normal; letter-spacing: normal; width: 910px;background-color: #FFFFFF">

</div>--%>

<br />

<div>

<ajax:RoundedCornersExtender runat="server" ID="RoundedCornersExtender1" TargetControlID="Panel3"

Radius="15" Enabled="True" ></ajax:RoundedCornersExtender>

<asp:Panel runat="server" ID="Panel3" BackColor="Brown"

Width="750px" >

<table>

<tr>

<asp:Label ID="Label2" runat="server" Text="MessageTo" CssClass="label"></asp:Label>

</td>

<asp:textbox id="txtTo" runat="server" ReadOnly="True" Width="216px"

BackColor="#FFFFCC"></asp:textbox>

</td>

</tr>

<tr>

<asp:Label ID="Label3" runat="server" Text=" Message from" CssClass="label"></asp:Label>

</td>

<asp:TextBox runat="server" ID="txtFrom" ReadOnly="True"

Width="215px" BackColor="#FFFFCC"></asp:TextBox>

</td>

</tr>

<tr>

<asp:Label ID="Label4" runat="server" Text="Subject" CssClass="label"></asp:Label>

</td>

<asp:TextBox runat="server" ID="txtSubject" Width="366px"></asp:TextBox>

</td>

</tr>

<tr>

<asp:FileUpload ID="FileUpload1" runat="server" />

</td>

<asp:Label ID="Label7" runat="server" Text="Label"></asp:Label>

</td>

</tr>

</table>

<asp:Button ID="Btn_SendMail" runat="server" onclick="Btn_SendMail_Click"

Text="Send Email" />

<br />

<asp:Label ID="lblStatus" runat="server" CssClass="label" ForeColor="#ccffcc"></asp:Label>

</center>

</asp:Panel>

</center>

<br />

</div>

</form>

</html>

</body>

DotNet

Sunday, 25 March 2012

Send Mail From ASP.net and C#

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