How To Send Multiple Emails From Database In ASP.NET Using C##
In this tutorial we will explain How To Send Multiple Emails From Database In ASP.NET Using C#.Here we have stored email list in SQL Server database.Here we will send mails to whole list one by one by using foreach loop.
Design:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Send Mail From Database In Asp.Net</title>
<style type="text/css">
body
{
width: 980px;
margin: 0px auto;
text-align: center;
padding-top: 50px;
font-size: 20px;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<h2>Send Mail From Database In Asp.Net</h2>
<div style="width:250px;margin:0px auto">
<br /><br /><br />
Subject: <asp:TextBox ID="txtsub" runat="server" Width="250px" Height="35px"></asp:TextBox><br /><br />
Message: <asp:TextBox ID="txtmsg" runat="server" Width="250px" Height="50px" TextMode="MultiLine"></asp:TextBox><br />
<asp:Button ID="send" Text="Send Mails" runat="server" OnClick="send_Click" />
<br /><br />
<asp:Label ID="lblMessage" runat="server"></asp:Label>
</div>
</form>
</body>
</html>
Code:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Data;
using System.Collections;
using System.Net.Mail;
using System.Net.Security;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void send_Click(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection("Data Source=.;Initial Catalog=dev;User ID=sa;Password=hightech");
con.Open();
string str = "select * from users";
SqlCommand cmd = new SqlCommand(str, con);
SqlDataReader reader;
reader = cmd.ExecuteReader();
ArrayList emailArray = new ArrayList();
while (reader.Read())
{
emailArray.Add(reader["uemail"]);
}
foreach (string email in emailArray)
{
const string username = "hightechnology@gmail.com";
const string password = "hightech";
SmtpClient smtpclient = new SmtpClient();
MailMessage mail = new MailMessage();
MailAddress fromaddress = new MailAddress("hightechnology@gmail.com");
smtpclient.Host = "smtp.gmail.com";
smtpclient.Port = 587;
mail.From = fromaddress;
mail.To.Add(email);
mail.Subject = (txtsub.Text);
mail.IsBodyHtml = true;
mail.Body ="<html><head><title>" + HttpUtility.HtmlEncode(txtsub.Text) + "</title></head><body style='height:600px'>" +
"<p>Message: " + HttpUtility.HtmlEncode(txtmsg.Text) + "</p>"+
"</body></html>";
smtpclient.EnableSsl = true;
smtpclient.DeliveryMethod = SmtpDeliveryMethod.Network;
smtpclient.Credentials = new System.Net.NetworkCredential(username, password);
smtpclient.Send(mail);
lblMessage.Text = "Your email was sent";
}
reader.Close();
con.Close();
}
}