ASP FAQs and Answers (1)

Solution | Question 1. How to minimize, Maximize, close windows
Answer: <objectid=hh1classid= "Clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11" >
<paramname= "command" value= "Minimize" ></object>
<objectid=hh2classid= "Clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11" >
<paramname= "command" value= "Maximize" ></object>
<objectid=hh3classid= "Clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11" >
<paramname= "command" value= "Close" ></object>

<inputtype=buttonvalue= minimized Onclick=hh1.click () >
<inputtype=buttonvalue= Max Onclick=hh2.click () >
<inputtype=buttonvalue= close Onclick=hh3.click () >

2. How to Still page cache
Answer: HTM Web page
<metahttp-equiv= "Pragma" content= "No-cache" >
<metahttp-equiv= "Cache-control" content= "No-cache,must-revalidate" >
<metahttp-equiv= "Expires" content= "WED,26FEB199708:21:57GMT" >
or <metahttp-equiv= "expires" content= "0" >
ASP Web page
Response.expires=-1
Response.expiresabsolute=now ()-1
Response.cachecontrol= "No-cache"
PHP Web page
Header ("Expires:mon,26jul199705:00:00gmt");
Header ("Cache-control:no-cache,must-revalidate");
Header ("Pragma:no-cache");

3. How to check whether a string of strings are all made up of numbers
<scriptlanguage= "JavaScript" ><!--
Functionchecknum (str) {returnstr.match (/\d/) ==null}
Alert (Checknum ("1232142141"))
Alert (Checknum ("123214214A1"))
--></script>

4. How to obtain machine information
Answer this machine ip<%=request.servervariables ("REMOTE_ADDR")%>
Server name <%=request.servervariables ("SERVER_NAME")%>
Server Ip<%=request.servervariables ("local_addr")%>
Server Port <%=request.servervariables ("Server_port")%>
Server Time <%=now%>
IIS version <%=request.servervariables "Server_software")%>
Script Timeout Time <%=server.scripttimeout%>
This file path <%=server.mappath (Request.ServerVariables ("Script_name"))%>
Server CPU number <%=request.servervariables ("Number_of_processors")%>
Server Interpretation engine <%=scriptengine& "& ScriptEngineMajorVersion &". "& ScriptEngineMinorVersion &". & scriptenginebuildversion%>
Server operating system <%=request.servervariables ("OS")%>

5. How to subtract dates
Date minus days equals second date
<scriptlanguage=javascript>
FUNCTIONCC (Dd,dadd)
{
You can add error handling
Vard=newdate (Dd.replace ("-", "/"))
D.setdate (D.getdate () +dadd)
Alert (d.getfullyear () + "year" + (D.getmonth () +1) + "month" +d.getdate () + "Day")
}
CC ("2002-2-28", 2)
</script>

6. How to use the ASP means to check whether the visitor used the agent
<%ifrequest.servervariables ("http_x_forwarded_for") <> "" Then
Response.Write "<fontcolor= #ff0000 > You have passed the proxy server," &_
"True IP is" &request.servervariables ("Http_x_forwarded_for")
endif
%>

7. Get the size of the window
Document.body.clientwidth,document.body.clientheight
Document.body.offsetwidth,document.body.offsetheight

8. Determine whether a table exists:
if exists (SELECT * from dbo.sysobjects WHERE id = object_id (' table name ') and OBJECTPROPERTY (ID, N ' isusertable ') = 1)
drop TABLE Table name
Go
Take the records from the Publish table to section N to article M:
SELECT Top M-n+1 *
From publish
WHERE (id not in
(SELECT top n-1 ID
from publish))

Keyword with ID publish table


9. How to achieve continuous scrolling

<div id= "Marquees" ><br/><br/>

The data read out of the <br/>
</div>

<script language= "JavaScript" >

marqueesheight=200;
Stopscroll=false;

With (marquees) {
style.width=0;
Style.height=marqueesheight;
style.overflowx= "visible";
Style.overflowy= "hidden";
Nowrap=true;
Onmouseover=new Function ("Stopscroll=true");
Onmouseout=new Function ("Stopscroll=false");
}
document.write (' <div id= "Templayer" style= "Position:absolute;z-index:1;visibility:hidden" ></div> ");

Pretop=0; Currenttop=0;

function init () {
Templayer.innerhtml= "";
while (Templayer.offsetheight<marqueesheight) {
templayer.innerhtml+=marquees.innerhtml;
}
marquees.innerhtml=templayer.innerhtml+templayer.innerhtml;
SetInterval ("Scrollup ()", 10);
}