Send Mail Using C# Asp.net

Step 1) Write below code in Button Click and get data and assign it property of Mail-message-

protected void Page_Load(object sender, EventArgs e)
        {
            MailMessage mailAddress = new MailMessage("x@gmail.com", "y@gmail.com");
            mailAddress.Subject = "Testing Email";
            mailAddress.Body = "Hello";
             SmtpClient smtp = new SmtpClient();
           smtp.Send(mailAddress);
    }

Where x@gmail.com is Sender Mail address and y@gmail.com is Recipient mail address


Step 2)Add Below code in web.config file-

<?xml version="1.0"?>

<!--

  For more information on how to configure your ASP.NET application, please visit

  http://go.microsoft.com/fwlink/?LinkId=169433

  -->

<configuration>

    <system.web>

      <compilation debug="true" targetFramework="4.5" />

      <httpRuntime targetFramework="4.5" />

    </system.web>

  <system.net>

    <mailSettings>

      <smtp deliveryMethod="Network">

        <network host="smtp.gmail.com" port="587" userName="x@gmail.com" password="fgfgfgag" enableSsl="true"/>

      </smtp>

    </mailSettings>

  </system.net>

</configuration>