How to get the ASP.NET temporary directory programmatically?

Question

The temporary directory that's used by ASP.NET is usually located under

C:\Windows\Microsoft.NET\Framework\<version>\Temporary ASP.NET Files\

Sometimes however it is overridden by the tempDirectory attribute on the compilation element in the web.config file.

How can I get the temporary directory currently used by ASP.NET regardless if it's the default directory or a user overridden directory?

P.S. There are a few properties that will return a subdirectory under the temporary directory (e.g. AppDomain.CurrentDomain.DynamicDirectory and others) but I'm looking for the directory as it appears in the configuration file.

Why and when would you want to know the ASP.NET temporary directory? — Michael, Jul 29 '09 at 14:20
To store files in a per-site temporary folder. (each site has its own temporary folder) — James Couvares, Jul 29 '09 at 14:37

score 4 · Answer 1 · edited Apr 08 '17 at 09:15

4

You want the static property HttpRuntime.CodegenDir

<%@ Page Language="C#" %>
<script runat="server" language="C#">
  void Page_Load(object Sender,EventArgs E)
  {

    lblCodegenDir.Text = System.Web.HttpRuntime.CodegenDir;
  }
</script>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
  <HEAD>
    <TITLE>Test Application</TITLE>
  </HEAD>
  <BODY>
    <FORM id="frmForm1" method="post" runat="server">
      <HR width="100%" size="1">
      <P>
         ASP.Net Temp Dir:&nbsp;
        <ASP:LABEL id="lblCodegenDir" runat="server">Label</ASP:LABEL>
      </P>
      <HR width="100%" size="1">
    </FORM>
  </BODY>
</HTML>

edited Apr 08 '17 at 09:15

Aristos

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answered Jul 31 '09 at 05:19

Christopher G. Lewis

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This does not return the directory defined in the configuration file, but a dynamic sub-directory. – James Couvares Aug 05 '09 at 15:01
Hmm - Not sure what you're hunting for then. If its the directory in the machine.config, you'd have to parse that file... – Christopher G. Lewis Aug 05 '09 at 16:42

How to get the ASP.NET temporary directory programmatically?

1 Answers1