| Active Server Pages. |
It is presented to demonstrate how Microsoft programmers use the ASPError object
to display errors.
Certain parts of the code have been colorized to call your attention to specific procedures.
<%@ language="VBScript" %>
<%
Option Explicit
Const lngMaxFormBytes = 200
Dim objASPError, blnErrorWritten, strServername, strServerIP, strRemoteIP
Dim strMethod, lngPos, datNow, strQueryString, strURL
If Response.Buffer Then
Response.Clear
Response.Status = "500 Internal Server Error"
Response.ContentType = "text/html"
Response.Expires = 0
End If
Set objASPError = Server.GetLastError
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
<html dir=ltr>
<head>
<style>
a:link {font:8pt/11pt verdana; color:FF0000}
a:visited {font:8pt/11pt verdana; color:#4e4e4e}
</style>
<META NAME="ROBOTS" CONTENT="NOINDEX">
<title>The page cannot be displayed</title>
<META HTTP-EQUIV="Content-Type" Content="text-html; charset=Windows-1252">
</head>
<script>
function Homepage(){
<!--
// in real bits, urls get returned to our script like this:
// res://shdocvw.dll/http_404.htm#http://www.DocURL.com/bar.htm
//For testing use DocURL =
"res://shdocvw.dll/http_404.htm#https://www.microsoft.com/bar.htm"
DocURL=document.URL;
//this is where the http or https will be, as found by searching for :// but skipping the res://
protocolIndex=DocURL.indexOf("://",4);
//this finds the ending slash for the domain server
serverIndex=DocURL.indexOf("/",protocolIndex + 3);
//for the href, we need a valid URL to the domain. We search for the # symbol to find the begining
//of the true URL, and add 1 to skip it - this is the BeginURL value. We use serverIndex as the end marker.
//urlresult=DocURL.substring(protocolIndex - 4,serverIndex);
BeginURL=DocURL.indexOf("#",1) + 1;
urlresult=DocURL.substring(BeginURL,serverIndex);
//for display, we need to skip after http://, and go to the next slash
displayresult=DocURL.substring(protocolIndex + 3 ,serverIndex);
document.write('<A HREF="' + urlresult + '">' + displayresult + "</a>");
}
//-->
</script>
<body bgcolor="FFFFFF">
<table width="410" cellpadding="3" cellspacing="5">
<tr>
<td align="left" valign="middle" width="360">
<h1 style="COLOR:000000; FONT: 13pt/15pt verdana"><!--Problem-->The page cannot be displayed</h1>
</td>
</tr>
<tr>
<td width="400" colspan="2">
<font style="COLOR:000000; FONT: 8pt/11pt verdana">There is a problem with the page you are trying to reach and it cannot be displayed.</font></td>
</tr>
<tr>
<td width="400" colspan="2">
<font style="COLOR:000000; FONT: 8pt/11pt verdana">
<hr color="#C0C0C0" noshade>
<p>Please try the following:</p>
<ul>
<li id="instructionsText1">Click the
<a href="javascript:location.reload()">
Refresh</a> button, or try again later.<br>
</li>
<li>Open the
<script>
<!--
if (!((window.navigator.userAgent.indexOf("MSIE") > 0) && (window.navigator.appVersion.charAt(0) == "2")))
{
Homepage();
}
//-->
</script>
home page, and then look for links to the information you want. </li>
</ul>
<h2 style="font:8pt/11pt verdana; color:000000">HTTP 500.100 - Internal Server
Error - ASP error<br>
Internet Information Services</h2>
<hr color="#C0C0C0" noshade>
<p>Technical Information (for support personnel)</p>
<ul>
<li>Error Type:<br>
<%
Response.Write objASPError.Category
If objASPError.ASPCode > "" Then Response.Write ", " & objASPError.ASPCode
Response.Write " (0x" & Hex(objASPError.Number) & ")" & "<br>"
Response.Write "<b>" & objASPError.Description& "</b><br>"
If objASPError.ASPDescription > "" Then Response.Write objASPError.ASPDescription & "<br>"
blnErrorWritten = False
' Only show the Source if it is available and the request is from the same machine as IIS
If objASPError.Source > "" Then
strServername = LCase(Request.ServerVariables("SERVER_NAME"))
strServerIP = Request.ServerVariables("LOCAL_ADDR")
strRemoteIP = Request.ServerVariables("REMOTE_ADDR")
If (strServername = "localhost" Or strServerIP = strRemoteIP) And objASPError.File
<> "?" Then
Response.Write objASPError.File
If objASPError.Line > 0 Then Response.Write ", line " & objASPError.Line
If objASPError.Column > 0 Then Response.Write ", column " & objASPError.Column
Response.Write "<br>"
Response.Write "<font style=""COLOR:000000; FONT: 8pt/11pt courier
new""><b>"
Response.Write Server.HTMLEncode(objASPError.Source) & "<br>"
If objASPError.Column > 0 Then Response.Write String((objASPError.Column - 1), "-")
& "^<br>"
Response.Write "</b></font>"
blnErrorWritten = True
End If
End If
If Not blnErrorWritten And objASPError.File <> "?" Then
Response.Write "<b>" & objASPError.File
If objASPError.Line > 0 Then Response.Write ", line " & objASPError.Line
If objASPError.Column> 0 Then Response.Write ", column " & objASPError.Column
Response.Write "</b><br>"
End If
%>
</li>
<p>
<li>Browser Type:<br>
<%= Request.ServerVariables("HTTP_USER_AGENT") %>
</li>
<p>
<li>Page:<br>
<%
strMethod = Request.ServerVariables("REQUEST_METHOD")
Response.Write strMethod & " "
If strMethod = "POST" Then
Response.Write Request.TotalBytes & " bytes to "
End If
Response.Write Request.ServerVariables("SCRIPT_NAME")
lngPos = InStr(Request.QueryString, "|")
If lngPos > 1 Then
Response.Write "?" & Left(Request.QueryString, (lngPos - 1))
End If
Response.Write "</li>"
If strMethod = "POST" Then
Response.Write "<p><li>POST Data:<br>"
If Request.TotalBytes > lngMaxFormBytes Then
Response.Write Server.HTMLEncode(Left(Request.Form, lngMaxFormBytes)) & " . . ."
Else
Response.Write Server.HTMLEncode(Request.Form)
End If
Response.Write "</li>"
End If
%>
<p>
<li>Time:<br>
<%
datNow = Now()
Response.Write FormatDateTime(datNow, 1) & ", " & FormatDateTime(datNow, 3)
%>
</li>
</p>
<p>
<li>More information:<br>
<% strQueryString = "prd=iis&sbp=&pver=5.0&ID=500;100&cat=" &
Server.URLEncode(objASPError.Category) & _
"&os=&over=&hrd=&Opt1=" & Server.URLEncode(objASPError.ASPCode) & "&Opt2=" &
Server.URLEncode(objASPError.Number) & _
"&Opt3=" & Server.URLEncode(objASPError.Description)
strURL = "http://www.microsoft.com/ContentRedirect.asp?" & _
strQueryString
%>
<a href="<%= strURL %>">Microsoft Support</a>
</li>
</p>
</font></td>
</tr>
</table>
</body>
</html>
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