20 very useful examples in ASP Programming-suitable for beginners

Source: Internet
Author: User
If there is a lot of content, edit it on the local machine to avoid content loss caused by session expiration. 20 useful examples in ASP Programming
1. How to use Asp to determine the virtual physical path of your website
A: Use the Mappath method.
<P align = "center"> <font size = "4" face = "Arial"> <B>
The Physical path to this virtual website is:
</B> </font>
<Font color = "# FF0000" size = "6" face = "Arial">
<% = Server. MapPath ("") %>
</Font> </p>
2. How do I know the browser used by the user?
A: use the Request object method.
StrBrowser = Request. ServerVariables ("HTTP_USER_AGENT ")
If Instr (strBrowser, "MSIE") <> 0 Then
Response. redirect ("ForMSIEOnly.htm ")
Else
Response. redirect ("ForAll.htm ")
End If
3. How to calculate the average number of repeated visits per day
Answer: solution
<% Startdate = DateDiff ("d", Now, "01/01/1990 ")
If strdate <0 then startdate = startdate *-1
Avgvpd = Int (usercnt)/startdate) %>
Display result
<% Response. write (avgvpd) %>
That is it. this page have been viewed since November 10, 1998
4. How to display random images
<% Dim p, ppic, dpic
Ppic = 12
Randomize
P = Int (ppic * rnd) + 1)
Dpic = "graphix/randompics/" & p & ". gif"
%>
Display
">
5. How to return to the previous page
A: <a href = "<% = request. serverVariables (" Http_REFERER ") %>"> preivous page </a>
Or use an image such as ">
6. How to determine the IP address of the other party
Answer: <% = Request. serverVariables ("REMOTE_ADDR) %>
7. How to link to an image
A: <% @ ages = vbscript %>
<% Response. expires = 0

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