Get logged-in user in html page with C# code and without opening in VS?

Question

We have a pure html page running in our IIS, and we would like to know what logged-in users are accessing the page. By "logged-in" users I mean a user that looged on to our intranet in their Windows machine.

It seems that I can't retrieve this information with javascript or html, so I was considering using .net for this, something like the following:

System.Security.Principal.WindowsIdentity.GetCurrent().Name

Is it possible to add server-side code to this HTML page without having to go to Visual Studio to create a solution or project?

I just don't want to have to "convert" this .HTML into an .ASPX just for one line of code. These html pages have tons of javascript charts, and I know something will break if I open it in VS.

A .html file is not going to be touched by your server. It's just a file and it will be served to the browser as such. Putting any code in it that is meant to be executed server-side will fail because the server won't even bother parsing it. You'll have to name the file with an .aspx extension in order for the server to take a look at it. Consider checking out this tutorial which has a bare bones aspx page. — JNevill
– JNevill, Commented Sep 7, 2018 at 14:18

Community · Accepted Answer · 2020-06-20 09:12:55Z

1

No, you can't run server code in HTML.

You can do the following:

Create ASPX file which runs on the server.

currentcontext.aspx

<%@ Page language="c#" %>
<script language="CS" runat="server">
    void Page_Load(object sender, System.EventArgs e) 
    {
      Response.Write(System.Security.Principal.WindowsIdentity.GetCurrent().Name);
    } 
</script>

Add iframe to the html page which needs to show the current context.

yourfile.html

<iframe src="currentcontext.aspx"></iframe>

edited Jun 20, 2020 at 9:12

CommunityBot

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answered Sep 7, 2018 at 14:18

Ralf de Kleine

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2 Comments

fdkgfosfskjdlsjdlkfsf Over a year ago

Thank you, never thought of that. Worked well.

Lex Li Over a year ago

It is recommended to use Page.User. WindowsIdentity.GetCurrent is something else.

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