ASP. net2.0 implements mail sending (test successful)

1. default. aspx Code As follows: Copy code The Code is as follows: <% @ page Language = "C #" autoeventwireup = "true" codefile = "default. aspx. cs" inherits = "_ default" validaterequest = "false" %>

<! Doctype HTML public "-// W3C // dtd xhtml 1.0 transitional // en" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

No title page

email receiving: subject: content: width = "336px">

</Div>
<Table id = "Table2" runat = "server" border = "0" cellpadding = "0" cellspacing = "0" visible = "false">
<Tr>
<TD align = "center" style = "width: 400px">
<Asp: Label id = "label1" runat = "server" forecolor = "red" text = "Congratulations! "> </ASP: Label> <br/>
<Asp: button id = "button2" runat = "server" text = "return" onclick = "button2_click"/> </TD>
</Tr>
</Table>
</Form>
</Body>
</Html>

2. The default. aspx. CS code is as follows:Copy codeThe Code is as follows: using system;
Using system. Data;
Using system. configuration;
Using system. Web;
Using system. Web. Security;
Using system. Web. UI;
Using system. Web. UI. webcontrols;
Using system. Web. UI. webcontrols. webparts;
Using system. Web. UI. htmlcontrols;
// Enter the namespace
Using system. net;
Using system. net. mail;

Public partial class _ default: system. Web. UI. Page
{
Protected void page_load (Object sender, eventargs E)
{

}
Protected void button#click (Object sender, eventargs E)
{
//// Set the sender's mailbox and display name
Mailaddress from = new mailaddress ("zgdx0503@cpp114.com", "Yanbian Vocational Information Center ");
// Set the recipient's mailbox and display name
Mailaddress to = new mailaddress (textbox1.text, "0503 class ");
// Create a mailmessage object
Mailmessage omail = new mailmessage (from, );

Omail. Subject = textbox2.text; // mail title
Omail. Body = textbox3.text; // mail content

Omail. isbodyhtml = true; // specifies the mail format. The HTML format is supported.
Omail. bodyencoding = system. Text. encoding. getencoding ("gb2312"); // The email encoding.
Omail. Priority = mailpriority. High; // set the priority of the email to high.

// Sending email server
Smtpclient client = new smtpclient ();
Client. Host = "mail.cpp114.com"; // specify the email server
Client. Credentials = new networkcredential ("zgdx0503@cpp114.com", "123456"); // specify the server email and password

// Send
Try
{
Client. Send (omail); // send an email
Label1.text = "Congratulations! The email is sent successfully. ";
}
Catch
{
Label1.text = "failed to send the email. Check whether the network and mailbox are available. ";
}

Omail. Dispose (); // release resources

Table1.visible = false;
Table2.visible = true;
}
Protected void button2_click (Object sender, eventargs E)
{
// Return and continue sending
Response. Redirect (request. url. tostring ());
Table1.visible = true;
Table2.visible = false;
}
}

3. Run and enter the test mailbox zgdx0503@tom.com (password: 123456 ). As follows:

4. Open the mailbox to view