产生一个密码，并记录到数据库，然后发送给用户___ 是老外写的

This article Generates a password random, Requires a database and Mails the Password.
<%@language="vbscript" %>
******************************
<%
'code by Manikantan
'Web Developer
'3rd Agenda
'Nungambakkam, Chennai India
%>
<%
set mail= server.CreateObject("cdonts.newmail")
mail.subject="Thank You for Registering"
mail.to = mailid mail.from ="Webmaster@thesite"
mail.body= "This is the Initial Password to our site...." & vbcrlf
&href='mailto:mailid="user@ursite.com'>mailid="user@ursite.com"
address="address"
'other data like phone number as per the member database in the site
'all these values are obtained from the request method from a .htm which submits to this file
'Mainly employed in registration
'Assumes You have cdonts.dll installed in the web server.
set conn = server.CreateObject("adodb.connection")
conn.Open "dsn","uid","pwd"
set rec= conn.Execute("select count(*) from membertable")
id = cint(rec.fields(0))+1
r=rnd *50
Response.Write r & "<br>"
for i = 0 to 20
    if cint(r)>0 and cint(r)<26 then str=str +chr(97 + cint(r))
    r=rnd *100
next
Response.Write str
pwd=left(str,2)
pwd=pwd & id
pwd=pwd & right(str,2)
pwd=pwd & second(time)
'An Update Query can be Passed from here for the username ,password and other details or can be triggered
from another page 'when the user responds to the mail...Something like sending a url as a mail and on
click of the url in the mail..call another page 'which updates ..so we can be sure that only confirmed
users are updated
%>
<br>
<%
set mail= server.CreateObject("cdonts.newmail")

补充：asp教程,技巧与性能优化