Here are some of the main programs that meet your assumptions, and you can continue to refine and expand them in practical applications:
Login.asp
' Examinee Verification
<%@ language=vbscript%>
<%
Name=trim (Request ("name"))
Passwd=trim (Request ("passwd"))
If name<> "" and passwd<> "" Then
' Check if candidates enter username and password
Set conn = Server.CreateObject ("ADODB. Connection ")
Conn. Open "Driver={microsoft Access driver (*.mdb)};
Dbq= "& Server.mappat (" Exercise.mdb ")
Set rs= Server.CreateObject ("Adodb.recordset")
Sql= "SELECT * from user where user=
' &name& ' and passwd= ' "and passwd & '"
Set rs= Conn. Execute (SQL)
' Validate candidates ' legality
If not (rs.eof) then
If RS ("score") <>0 then
' Check whether the candidate has taken the exam, and if so, make a query on the results
Response.Write rs ("user") & "exam results are" &rs ("score")
Else
Session ("Pass") =1
Session ("User") =name
Response.Redirect "Test.asp"
End If
Else
Response.Write "Oh, the username or password you entered is incorrect!"
End If
Else
End If
%>
<HTML>
<HEAD>
<meta name= "generator" content= "Microsoft Visual Studio 6.0" >
<TITLE> Wonderful spring Wind candidates login </TITLE>
</HEAD>
<BODY>
<form action= "Login.asp" id=
FORM1 Method=post name=form1>
<p title= "" > </P>
<p title= "" > </P>
<p title= "" Align=center> candidates:
<input id=text1 name=name style= "HEIGHT:22PX; Width:103px "></P>
<p title= "" Align=center> Password:
<input id=password1 name=passwd style= "HEIGHT:23PX; width:101px "type=password></p>
<p title= "" align=center>
<input id=submit1 name=submit1 type=submit value= "Enter style=" Font-size:medium; Font-style:normal; Font-variant:normal; Font-weight:bold "title=" "></P>
<p title= "" align=center>
</P>
</FORM>
</BODY>
</HTML>
Test.asp
' Take the exam from the question bank
<%@ Language=vbscript%>
<%
If session ("pass") <>1 Then
Response.Redirect "Login.asp"
Else
End If
Set conn = Server.CreateObject ("ADODB. Connection ")
Conn. Open "Driver={microsoft Access driver (*.mdb)};
Dbq= "& Server.MapPath (" Exercise.mdb ")
Sql= "SELECT * FROM Test"
Set RS = conn. Execute (SQL)
' Extract the questions
%>
<script language= "JavaScript" >
var isn1=null;
var Isn2=false;
Today=new Date ();
function StoPit () {
if (ISN2) {
Cleartimeout (ISN1);
}
ISN2 = false;
}
function Startit () {
StoPit ();
Isnclock ();
}
function Isnclock () {
var now=new Date ();
var hrs=now.gethours ();
var min=now.getminutes ();
var sec=now.getseconds ();
Document.clckh.disp.value= "" + (HRS>12) (hrs-12:hrs);
Document.clckm.disp.value= ((min<10)? "0": "") +min;
Document.clcks.disp.value= ((sec<10)? "0": "") +sec;
Document.clck.disp.value= (hrs>=12)? "p.m.": "A.M";
Isn1=settimeout ("Isnclock ()", 1000);
Isn2=true;
}
</SCRIPT>
' Above is a timer function
<HTML>
<HEAD>
<meta name= "generator" content= "Microsoft Visual Studio 6.0" >
</HEAD>
<body onload= "Startit ()" bgcolor= "FFFFFF" >
<center>
' Call the timer function to show the time
<table border=2>
<TR>
<TD>Time</TD><TD>Hour</TD><TD>Min</TD><TD>Sec</TD><TD> </TD>
</TR>
<TR>
<TD></TD>
<TD valign=top><form name= "Clckh" onsubmit= "0" >
<input type= "text" name= "disp" size=2 VALUE = "" >
</FORM></TD>
<TD valign=top><form name= "clckm" onsubmit= "0" >
<input type= "text" name= "disp" size=2 VALUE = "" >
</FORM></TD>
<TD valign=top><form name= "clcks" onsubmit= "0" >
<input type= "text" name= "disp" size=2 VALUE = "" >
</FORM></TD>
<TD valign=top><form name= "Clck" onsubmit= "0" >
