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Send mail in ASP.NET
This example shows how to send mail in asp.net. To send mail in asp.net MailMessage and SmtpClient class are used, which are in System.Net.Mail namespace.
Create a new website in VS and add the following code that designs our aspx page with text boxes, buttons, etc.
Create a new website in VS and add the following code that designs our aspx page with text boxes, buttons, etc.
<%@ Page Language="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>Send Mail Example</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<b>Send Mail Example</b>
<table cellpadding="2">
<tr>
<td colspan="2">
<asp:Label ID="lblInfo" runat="server" Text="Info" ForeColor="#990000"></asp:Label>
</td>
</tr>
<tr>
<td>
From
</td>
<td>
<asp:TextBox ID="txtFrom" runat="server" Width="300px"></asp:TextBox>
<asp:RequiredFieldValidator ID="rfvFrom" runat="server" ControlToValidate="txtFrom"
Display="Dynamic" ErrorMessage="*"></asp:RequiredFieldValidator>
<asp:RegularExpressionValidator ID="revFrom" runat="server" ControlToValidate="txtFrom"
Display="Dynamic" ErrorMessage="Invalid Email ID" ValidationExpression="\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"></asp:RegularExpressionValidator>
</td>
</tr>
<tr>
<td>
To
</td>
<td>
<asp:TextBox ID="txtTo" runat="server" Width="300px"></asp:TextBox>
<asp:RequiredFieldValidator ID="rfvTo" runat="server" ControlToValidate="txtTo" Display="Dynamic"
ErrorMessage="*"></asp:RequiredFieldValidator>
<asp:RegularExpressionValidator ID="revTo" runat="server" ControlToValidate="txtTo"
Display="Dynamic" ErrorMessage="Invalid Email ID" ValidationExpression="\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"></asp:RegularExpressionValidator>
</td>
</tr>
<tr>
<td>
Subject
</td>
<td>
<asp:TextBox ID="txtSubject" runat="server" Width="300px"></asp:TextBox>
</td>
</tr>
<tr>
<td>
Message
</td>
<td>
<asp:TextBox ID="txtMessage" runat="server" Rows="10" TextMode="MultiLine" Width="500px"></asp:TextBox>
</td>
</tr>
<tr>
<td>
</td>
<td>
<asp:Button ID="btnSend" runat="server" Text="Send" Width="150px" OnClick="btnSend_Click" />
<asp:Button ID="btnClear" runat="server" Text="Clear" Width="150px" OnClick="btnClear_Click" />
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
And it’s code behindusing System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Net.Mail;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
lblInfo.Visible = false;
}
}
protected void btnSend_Click(object sender, EventArgs e)
{
try
{
MailMessage message = new MailMessage();
message.From = new MailAddress(txtFrom.Text);
message.To.Add(new MailAddress(txtTo.Text));
message.Subject = txtSubject.Text;
message.Body = txtMessage.Text;
message.IsBodyHtml = true;
message.Priority = MailPriority.High;
SmtpClient client = new SmtpClient("localhost");
client.Send(message);
lblInfo.Visible = true;
lblInfo.Text = "Your message has been sent.";
txtFrom.Text = "";
txtTo.Text = "";
txtSubject.Text = "";
txtMessage.Text = "";
}
catch (Exception ex)
{
lblInfo.Visible = true;
lblInfo.Text = ex.Message;
}
}
protected void btnClear_Click(object sender, EventArgs e)
{
//Response.Redirect("Default.aspx");
txtFrom.Text = "";
txtTo.Text = "";
txtSubject.Text = "";
txtMessage.Text = "";
}
}
Note: This method of sending mail requires application or website to be hosted on some webserver. Enjoy this article?
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