How to send email in C #

Source: Internet
Author: User
Tags mail mailmessage
First, create the interface (WebForm1.aspx)



Type
Object Name
Text Property

Label
Label1
Recipient Address:

Label
Label2
Title:

Label
Label3


Textbox
TextBox1


Textbox
TextBox2


Textbox
TextBox3


Button
Button1
Send

RegularExpressionValidator
RegularExpressionValidator1









Note the point:

1. When the Send Success object Label3 's Text property shows "Send Success"

2. Properties of Object RegularExpressionValidator1

Controltovalidate= "TextBox1"

errormessage= "email format is wrong"

Validationexpression= "\w+ ([-+.] \w+) *@\w+ ([-.] \w+) *\.\w+ ([-.] \w+) * "//on behalf of email verification format

When the recipient's email address format is not correct will show "email format is wrong"

3. Object TextBox1 represents the recipient address

Object TextBox2 represents a title

Object TextBox2 on behalf of the sending content



Second, display code (WebForm1.aspx.cs)



1. Add code using System.Web.Mail to the head of the file;

2. Add field private System.Web.Mail.MailMessage m_mail;

3.

private void Page_Load (object sender, System.EventArgs e)

{

M_mail=new MailMessage (); Instantiating a MailMessage object

}

4. Double-click the Send button

private void Button1_Click (object sender, System.EventArgs e)

{

M_mail.from= "jinq@gpssz.com";

M_mail.to=textbox1.text;

M_mail.subject=textbox2.text;

m_mail.bodyformat=mailformat.html;

M_mail.body=textbox3.text;

Smtpmail.send (M_mail);

label3.text= "Send Success";

}



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