Format the emails using StringBulider in asp.net

Introduction: In this article today I am going to explain how we can format the emails using Stringbulider in asp.net

Description:

In the previous article i have explained Disable copy, cut, paste and drop options in asp.net textbox using Jquery, Explain cookies in asp.net OR Explain cookies with example in asp.net, Explain viewstate in asp.net OR Viewstate and its advantage or disadvantages and State Management in Asp.net.

Firstly check this article Send email in asp.net

Add a wedform to project and design the page as shown below:

  <fieldset style="width:400px">

    <legend>Format the Emails using StringBuilder Example</legend>

    <table>

    <tr><td>Email Sent To :</td><td>  <asp:TextBox ID="txtemail" runat="server"></asp:TextBox></td></tr>

    <tr><td></td><td><asp:Button ID="btnsend" runat="server" Text="Send Email" onclick="Button1_Click" /></td></tr>   

    <tr><td></td><td><label id="lblmessage" runat="server"></label></td></tr>

    </table>

    </fieldset>

On button click write the below given code (C#):

using System.Net.Mail;

protected void Button1_Click(object sender, EventArgs e)

        {       

         sendemail();

        }

        public void sendemail()

        {

            try

            {

                System.Text.StringBuilder mailBody = new System.Text.StringBuilder();

                mailBody.Append("<table width=\"100%\" border=\"0\" align=\"center\" cellpadding=\"4\" cellspacing=\"2\" style=\"font-family:Arial,Verdana\"> ");

                mailBody.Append("<tr>");

                mailBody.Append("<td style='background-color: #f4d687'>");

                mailBody.Append("Welcome to Articlemirror,");

                mailBody.Append("</tr>");

                mailBody.Append("</td>");

                mailBody.Append("<tr><td><img src= \"https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh7ZcpCp-jZA2SFIxe2mG5IqeKsO21cBjDwpDB46jYKZZWEv8s73s8Fs0fEeOwBNubtvH0MReysO23uHDPGMo1r3mBTMPgjS9Q3x7VNfe-dwAPdOCFH70AkfCgUdkM3vZNct4n9aIuXHcVN/s1600/am3.png\" /></td></tr>");

                mailBody.Append("<tr><td>Thank you for joining us. You are the Mebmer of Articlemirror.</td></tr>");

                mailBody.Append("<tr><td><a href=\"http://articlemirror.blogspot.in\">Click here to go Your Webiste</a></td></tr>");

                mailBody.Append("<tr><td></td><td><b>Regards,</b></td></tr>");

                mailBody.Append("<tr><td></td><td style='background-color: #0696AF;color:#ffffff'><b>Article Mirror</b></td></tr>");

                mailBody.AppendLine("</table>");

                string Email = ConfigurationManager.AppSettings["Email"].ToString();

                string Emailto = txtemail.Text;

                MailMessage mail = new MailMessage(Email, Emailto);

                mail.Subject = "Article Mirror";

                mail.Body = mailBody.ToString();

                mail.IsBodyHtml = true;

                SmtpClient smtp = new SmtpClient();

                smtp.Send(mail);

                lblmessage.InnerText ="Email send successfully";

                txtemail.Text = "";

            }

            catch (Exception ex)

            {

            }         

        }

In VB:

Imports System.Net.Mail

Protected Sub Button1_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnsend.Click

        sendemail()

    End Sub

    Public Sub sendemail()

        Try

            Dim mailBody As New System.Text.StringBuilder()

            mailBody.Append("<table width=""100%"" border=""0"" align=""center"" cellpadding=""4"" cellspacing=""2"" style=""font-family:Arial,Verdana""> ")

            mailBody.Append("<tr>")

            mailBody.Append("<td style='background-color: #f4d687'>")

            mailBody.Append("Welcome to Articlemirror,")

            mailBody.Append("</tr>")

            mailBody.Append("</td>")

            mailBody.Append("<tr><td><img src= ""https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh7ZcpCp-jZA2SFIxe2mG5IqeKsO21cBjDwpDB46jYKZZWEv8s73s8Fs0fEeOwBNubtvH0MReysO23uHDPGMo1r3mBTMPgjS9Q3x7VNfe-dwAPdOCFH70AkfCgUdkM3vZNct4n9aIuXHcVN/s1600/am3.png"" /></td></tr>")

            mailBody.Append("<tr><td>Thank you for joining us. You are the Mebmer of Articlemirror.</td></tr>")

            mailBody.Append("<tr><td><a href=""http://articlemirror.blogspot.in"">Click here to go Your Webiste</a></td></tr>")

            mailBody.Append("<tr><td></td><td><b>Regards,</b></td></tr>")

            mailBody.Append("<tr><td></td><td style='background-color: #0696AF;color:#ffffff'><b>Article Mirror</b></td></tr>")

            mailBody.AppendLine("</table>")

            Dim Email As String = ConfigurationManager.AppSettings("Email").ToString()

            Dim Emailto As String = txtemail.Text

            Dim mail As New MailMessage(Email, Emailto)

            mail.Subject = "Article Mirror"

            mail.Body = mailBody.ToString()

            mail.IsBodyHtml = True

            Dim smtp As New SmtpClient()

            smtp.Send(mail)

            lblmessage.InnerText = "Email send successfully"

        Catch ex As Exception

        End Try

    End Sub

Build the project and test.
Output:

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