Introduction to 20 techniques in ASP

Source: Internet
Author: User
Tags servervariables
1. How to use ASP to determine the virtual physical path of your site?

Answer using 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?

To 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 do I calculate the average number of recurring visits per day?

Answer the solution

<% Startdate=datediff ("D", Now, "01/01/1990")

If Strdate<0 then startdate=startdate*-1

Avgvpd=int ((usercnt)/startdate)%>

Show results

<% Response.Write (AVGVPD)%>

This is It.this page have been viewed since November 10,1998

4 How do i show random images?

〈% Dim P,ppic,dpic

Ppic=12

Randomize

P=int ((ppic*rnd) +1)

Dpic= "graphix/randompics/" &p& ". gif"

%>

Show

〈img src= "<%=dpic%>>" >

5. How do I get back to the previous page?

Answer <a href= "<%=request.servervariables (" Http_referer ")%>" >preivous page</a>

Or with pictures such as: ">

6. How to determine the IP address of each other

Answer 〈%=request.servervariables ("REMOTE_ADDR")%>
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