Forget Password recovery by mail

      protected void Button2_Click(object sender, EventArgs e)
        {
            rs.get_username = TextBox3.Text;
            rs.get_email = TextBox4.Text;
            int i = rs.pwd_recovery();
            if (TextBox3.Text != "" & TextBox4.Text != "")
            {
                if (i == 2)
                {
                    Page.ClientScript.RegisterStartupScript(this.GetType(), "aa", "");

                }
                else
                {
                    recovery2();
                }

            }
            else
            {
                Page.ClientScript.RegisterStartupScript(this.GetType(), "aa", "");
            }
              
        }
        public void recovery2()
        {

            rs.get_username = TextBox3.Text;
            rs.get_email = TextBox4.Text;
            DataSet ds = rs.get_pwd();
            if (ds.Tables[0].Rows.Count != 0)
            {

                Label2.Text = ds.Tables[0].Rows[0]["u_name"].ToString();
                Label3.Text = ds.Tables[0].Rows[0]["pwd"].ToString();
                Label4.Text = ds.Tables[0].Rows[0]["mailid"].ToString();
            }
            try
            {
                SmtpClient smclient = new SmtpClient();
                MailMessage message = new MailMessage();

                try
                {
                    MailAddress fromaddress = new MailAddress("arpita@yahoo.com", "");
                    smclient.Host = "photo48";
                    smclient.Port = 25;
                    message.From = fromaddress;
                    message.To.Add(TextBox4.Text);
                    message.Subject = "Password Recovery";
                    message.IsBodyHtml = true;
                    string body=("u_name=" + Label2.Text+ "pwd=" +Label3.Text+ "mailid=" + Label4.Text + " ");
                    message.Body = body;
                    smclient.Send(message);
                    Page.ClientScript.RegisterStartupScript(this.GetType(), "msg", "");
                   
                }
                catch(SmtpException ex)
                {
                   
                }
            }
            catch(Exception e)
            {
               
            }
        }