关于错误信息的显示（正宗原创，欢迎转帖），西西

asp程序出错后，错误提示不是很清楚明白，让人摸不着头脑，用下面方法看看有没有帮助（此法目前只适合处ADO错误外的错误）
步骤一，用编辑器打开c:\winnt\help\iisHelp\common\500-100.asp
将它另存为500-101.asp备份(以便日后恢复）
步骤二，将下面的代码覆盖500-100.asp原文件，保存退出
步骤三，创建新文件test.asp，添加如下代码
<％ response.write now(1)％>，存盘退出
步骤四，在浏览器中输入localhost/test.asp查看结果

500-100.asp的新代码：
<％@ 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:9pt 宋体; color:FF0000}
a:visited        {font:9pt 宋体; color:#4e4e4e}
</style>

<META NAME="ROBOTS" CONTENT="NOINDEX">

<title>本页出错</title>

<META HTTP-EQUIV="Content-Type" Content="text-html; charset=gb2312">
<META NAME="MS.LOCALE" CONTENT="ZH-CN">
</head>

<script>
function Homepage(){

</script>

<body bgcolor="FFFFFF">

<ul>
<li>错误类型：<br>
<％
  Dim bakCodepage
  bakCodepage = Session.Codepage
  Session.Codepage = 936
  Response.Write Server.HTMLEncode(objASPError.Category)
  If objASPError.ASPCode > "" Then Response.Write Server.HTMLEncode(", " & objASPError.ASPCode)
  Response.Write Server.HTMLEncode(" (0x" & Hex(objASPError.Number) & ")" ) & "<br>"

  If objASPError.ASPDescription > "" Then Response.Write Server.HTMLEncode(objASPError.ASPDescription) & "<br>"
％>
</li>
<p>
<li>错误位置：<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 Server.HTMLEncode(objASPError.File)
      If objASPError.Line > 0 Then Response.Write ", 第 " & objASPError.Line & " 行"
      If objASPError.Column > 0 Then Response.Write ", 第 " & objASPError.Column & " 列"
      Response.Write "<br>"
      Response.Write "<font style=""COLOR:000000; FONT: 9pt 宋体""><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>"
    Response.Write Server.HTMLEncode(objASPError.File)
    If objASPError.Line > 0 Then Response.Write Server.HTMLEncode(", 第 " & objASPError.Line & " 行")
    If objASPError.Column > 0 Then Response.Write ", 第 " & objASPError.Column & " 列"
    Response.Write "</b><br>"
  End If
％>
</li>
<p>
<li>错误描述：<br>
<％
response.write Server.HTMLEncode(objASPError.description)
％>
</li>
<p>

</body>
</html>

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