ASP.NET で環境変数を列挙する

GetEnvironmentVariables() が本体です。
アセンブリはデフォルトで有効です。

<%@ PAGE LANGUAGE="C#" %>
<html>
<head>
<title>getenvironments</title>
<style>
table{border-collapse:collapse;}
tr{vertical-align:top;}
td{border:1px solid #999;}
</style>
<script runat="server">
void Page_Load(object sender, EventArgs e)
{
  String result = "";
  IDictionary envs = Environment.GetEnvironmentVariables();
  foreach (DictionaryEntry de in envs)
  {
    result += "<tr><td>"+de.Key+"</td><td>"+de.Value+"</td></tr>";
  }
  lbl_result.Text = "<table>"+result+"</table>";
}
</script>
</head>
<body>
  <form runat="server">
  <asp:Label id="lbl_result" Text="" runat="server" />
  </form>
</body>
</html>

PSModulePath	C:\WINDOWS\system32\WindowsPowerShell\v1.0\Modules\
USERPROFILE	C:\Documents and Settings\Default User
Path	C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\system32\WindowsPowerShell\v1.0;c:\Program Files\Microsoft SQL Server\100\Tools\Binn\;c:\Program Files\Microsoft SQL Server\100\DTS\Binn\;c:\Program Files\Microsoft SQL Server\100\Tools\Binn\VSShell\Common7\IDE\;c:\Program Files\Microsoft Visual Studio 9.0\Common7\IDE\PrivateAssemblies\
ClusterLog	C:\WINDOWS\Cluster\cluster.log
CommonProgramFiles	C:\Program Files\Common Files
TMP	C:\WINDOWS\TEMP
ProgramFiles	C:\Program Files
NUMBER_OF_PROCESSORS	1
TEMP	C:\WINDOWS\TEMP
SystemDrive	C:
ComSpec	C:\WINDOWS\system32\cmd.exe
FP_NO_HOST_CHECK	NO
COMPUTERNAME	testhost1
PROCESSOR_LEVEL	6
OS	Windows_NT
SystemRoot	C:\WINDOWS
windir	C:\WINDOWS
APP_POOL_ID	DefaultAppPool
ALLUSERSPROFILE	C:\Documents and Settings\All Users
PROCESSOR_IDENTIFIER	x86 Family 6 Model 15 Stepping 11, GenuineIntel
PATHEXT	.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.PSC1
PROCESSOR_ARCHITECTURE	x86
PROCESSOR_REVISION	0f0b

COMPUTERNAME	testhost2
APPDATA	C:\Windows\system32\config\systemprofile\AppData\Roaming
LOCALAPPDATA	C:\Windows\system32\config\systemprofile\AppData\Local
PSModulePath	C:\Windows\system32\WindowsPowerShell\v1.0\Modules\
PROCESSOR_ARCHITECTURE	AMD64
CommonProgramW6432	C:\Program Files\Common Files
CommonProgramFiles(x86)	C:\Program Files (x86)\Common Files
ProgramFiles(x86)	C:\Program Files (x86)
PROCESSOR_LEVEL	6
ProgramFiles	C:\Program Files
USERNAME	testhost2$
SystemRoot	C:\Windows
APP_POOL_CONFIG	C:\inetpub\temp\apppools\DefaultAppPool.config
APP_POOL_ID	DefaultAppPool
ALLUSERSPROFILE	C:\ProgramData
FP_NO_HOST_CHECK	NO
ProgramData	C:\ProgramData
USERPROFILE	C:\Windows\system32\config\systemprofile
PATHEXT	.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC
CommonProgramFiles	C:\Program Files\Common Files
OS	Windows_NT
PROCESSOR_IDENTIFIER	Intel64 Family 6 Model 15 Stepping 11, GenuineIntel
ComSpec	C:\Windows\system32\cmd.exe
PUBLIC	C:\Users\Public
SystemDrive	C:
PROCESSOR_REVISION	0f0b
NUMBER_OF_PROCESSORS	1
TEMP	C:\Windows\TEMP
TMP	C:\Windows\TEMP
ProgramW6432	C:\Program Files
Path	C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;
USERDOMAIN	SAMPLE
windir	C:\Windows

Environment クラス