Sending Mail from Gmail and Save the file in PDF Format

This is an article for sending Mail from Gmail and Save the file in PDF Format and shown PDF File in Solution Explore. "Message seen after SAVE" will work after the message is saved in PDF.



Code for Click Events for SEND Button And SAVE Button:

using System;
using System.Configuration;
using System.Data;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.IO;
using System.Collections.Generic;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        TextBox5.Text = "";
        if (!IsPostBack)
        {
            TextBox4_Load();
        }
    }

    private void TextBox4_Load()
    {
        //throw new NotImplementedException();
        if (File.Exists(Server.MapPath("Tusar.pdf")))
        {
            //StreamReader StreamReader1 = new StreamReader(Server.MapPath("test.txt"));
            StreamReader StreamReader1 = new StreamReader(Server.MapPath("Tusar.pdf"));
            TextBox4.Text = StreamReader1.ReadToEnd();
            StreamReader1.Close();

        }
        else
        {
            TextBox4.Text = "New file.";
        }
    }
    void TextBox5_Load()
    {
        if (File.Exists(Server.MapPath("Tusar.pdf")))
        {
 StreamReader StreamReader1 = new StreamReader(Server.MapPath("Tusar.pdf"));
            TextBox5.Text = StreamReader1.ReadToEnd();
            StreamReader1.Close();
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
             System.Net.Mail.MailMessage MyMailMessage = new System.Net.Mail.MailMessage(TextBox1.Text, TextBox2.Text, TextBox3.Text, "");
        MyMailMessage.IsBodyHtml = false;
        MyMailMessage.Body = TextBox4.Text;
        provide Authentication Details need to be ed when sending email             from gmail
        System.Net.NetworkCredential mailAuthentication = new System.Net.NetworkCredential(TextBox1.Text, "word");//Sender word

        Smtp Mail server of Gmail is "smpt.gmail.com" and it uses port no. 587
        System.Net.Mail.SmtpClient mailClient = new System.Net.Mail.SmtpClient("smtp.gmail.com", 587);
        Enable SSL

        mailClient.EnableSsl = true;
        mailClient.UseDefaultCredentials = false;
        mailClient.Credentials = mailAuthentication;
        mailClient.Send(MyMailMessage);    }

    protected void Button2_Click(object sender, EventArgs e)
    {
        StreamWriter StreamWriter1 = new StreamWriter(Server.MapPath("Tusar.pdf"));
        StreamWriter1.WriteLine(TextBox4.Text);
        StreamWriter1.WriteLine("Line1.\r\nLine2.");
        StreamWriter1.Close();
        TextBox5_Load();
    }
    protected void TextBox5_TextChanged(object sender, EventArgs e)
    {

    }
    protected void TextBox1_TextChanged(object sender, EventArgs e)
    {

    }
}