How to Send Email in Asp.net

This article will be explain how to send email in Asp.net. To send email in Asp.net you have to use a namespace "System.Net.Mail".
Step 1
Open "Defaul.aspx" file and following control.

<form id="form1" runat="server">

    <div>

    </div>

        <asp:TextBox ID="FromText" runat="server" style="top: 69px; left: 452px;height: 22px; width: 257px"></asp:TextBox>

        <asp:TextBox ID="ToText" runat="server" style="top: 127px; left: 447px;height: 22px; width: 259px"></asp:TextBox>

        <asp:TextBox ID="SubText" runat="server" style="top: 179px; left: 449px;height: 22px; width: 258px"></asp:TextBox>

        <asp:TextBox ID="MsgText" runat="server" style="top: 231px; left: 454px;height: 148px; width: 252px"></asp:TextBox>

        <asp:Label ID="result" runat="server" style="top: 445px; left: 447px;height: 17px; width: 84px" Text="Label"></asp:Label>

        <asp:Button ID="Button1" runat="server" style="top: 436px; left: 551px;height: 26px; width: 56px" Text="Button" />

    </form>

Step 2
In "Default.aspx.cs" page write following code.

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 System.Drawing;

 

public partial class Email : System.Web.UI.Page

{

    protected void Page_Load(object sender, EventArgs e)

    {

 

    }

    protected void Button1_Click(object sender, EventArgs e)

    {

        MailMessage mm = new MailMessage();

 

        SmtpClient smtp = new SmtpClient();

 

        mm.From = new MailAddress(FromText.Text);

 

        mm.To.Add(new MailAddress(ToText.Text));

 

        mm.Subject = SubText.Text;

 

        mm.Body = MsgText.Text;

 

        mm.IsBodyHtml = true;

 

        smtp.Host = "smtp.gmail.com";

 

        smtp.EnableSsl = true;

 

        System.Net.NetworkCredential NetworkCred = new System.Net.NetworkCredential();

 

        NetworkCred.UserName = "example@gmail.com";//Your email id will be here

 

        NetworkCred.Password = "Your Password";

        smtp.UseDefaultCredentials = true;

 

        smtp.Credentials = NetworkCred;

 

        smtp.Port = 587;

        try

        {

            smtp.Send(mm);

            result.Text = "your message has been sent.....";

            result.ForeColor = Color.Green;

        }

 

        catch (Exception er)

        {

            result.Text = "Error in sendig message";

            result.ForeColor = Color.Red;

        }

    }

}