问亲Asp.net书中的例子？

EN

//code guestresponse

 public class GuestResponse
    {
    [Required(ErrorMessage="* Please Enter Your Name")]
    public string Name { get; set; }

    [Required(ErrorMessage="* Please Enter Your Email Id")]
     [RegularExpression(".+\\@.+\\...+",ErrorMessage=" * Please Enter Valid Email Id")]
    public string Email {get; set; }

     [Required(ErrorMessage = "* Please Enter Your Phone Number")]
    public string Phone { get; set; }

     [Required(ErrorMessage = "* Please Specify Whether You Will Attend or Not")]
    public bool? WillAttend { get; set; }


     private MailMessage BuildMailMessage()
     {
         var message = new StringBuilder();

         message.AppendFormat("Date: {0: yyyy-MM-dd hh:mm}\n", DateTime.Now);
         message.AppendFormat("RSVP from : {0}\n", Name);
         message.AppendFormat("Email: {0}\n", Email);
         message.AppendFormat("Phone: {0}\n", Phone);
         message.AppendFormat("Can Come: {0}\n", WillAttend.Value ? "yes" : "No");

         return new MailMessage(
             "rsvps@example.com", "party@example.com", Name + (WillAttend.Value ? "will attend" : "Won't attend"), message.ToString()); //From, To, Subject, Body
     }

     public void Submit()
     { 
         using (var smtpClient= new SmtpClient())
         using (var mailMessage = BuildMailMessage())
         {
             smtpClient.Send(mailMessage);
         }

     }


     }

<configuration>
  <system.net>
    <mailSettings>
      <smtp deliveryMethod="Network">
        <network host="smtp.example.com"/>


      </smtp>
    </mailSettings>
  </system.net>
  <system.web>
    <httpHandlers>
      <add path="*" verb="*" type="System.Web.HttpNotFoundHandler"/>
    </httpHandlers>

    <!--
        Enabling request validation in view pages would cause validation to occur
        after the input has already been processed by the controller. By default
        MVC performs request validation before a controller processes the input.
        To change this behavior apply the ValidateInputAttribute to a
        controller or action.
    -->
    <pages
        validateRequest="false"
        pageParserFilterType="System.Web.Mvc.ViewTypeParserFilter, System.Web.Mvc, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"
        pageBaseType="System.Web.Mvc.ViewPage, System.Web.Mvc, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"
        userControlBaseType="System.Web.Mvc.ViewUserControl, System.Web.Mvc, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
      <controls>
        <add assembly="System.Web.Mvc, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" namespace="System.Web.Mvc" tagPrefix="mvc" />
      </controls>
    </pages>
  </system.web>

  <system.webServer>
    <validation validateIntegratedModeConfiguration="false" />

    <handlers>
      <remove name="BlockViewHandler"/>
      <add name="BlockViewHandler" path="*" verb="*" preCondition="integratedMode" type="System.Web.HttpNotFoundHandler" />
    </handlers>
  </system.webServer>
</configuration>