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ASP.NET Get Windows Domain User ID in IE when using Forms authentication

In asp net 4.0, I cannot get windows username on form's authentication.

Here is the code:
//get windows user name without domain name
string windowsUserName = WindowsIdentity.GetCurrent().Name.Split('\\')[1];
It is correct in debug mode but get the application name after publishing to IIS.

Here is the web.config:
<authentication mode="Forms">
<forms loginUrl="~/Account/Login.aspx" protection="All" defaultUrl="Default.aspx" timeout="30" />
</authentication>

This web application access is based on a security table permission rather than windows authentication. How to get the user's window ID when user is browsing the app.

Thanks in advance.

Dirk Haest

To get the UserName of the Authenticated User, but I doubt that this is the windows-user

HttpContext.Current.User.Identity.Name

Dirk Haest

Mixing Forms and Windows Security in ASP.NET
http://msdn.microsoft.com/en-us/library/ms972958.aspx

Alan Warren

Hi shirleyz8821,
things you could try:

    username = Login1.UserName
    username = My.User.Name
    username = Profile.UserName
    username = HttpContext.Current.User.Identity.Name
    username = Membership.GetUser.UserName

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Alan ";0)

shirleyz8821

ASKER

I have account not domain name:
user name: test
password:test
IIS configuration:
Anonymous access: Enabled
asp.net impersonation:Disabled
Forms Authentication:Enabled

HttpContext.Current.User.Identity.Name & Login1.UserName etc is returning test rather than windows user ID

Alan Warren

Usefull links:
http://stackoverflow.com/questions/6748976/get-windows-username-in-asp-net-without-system-web
http://forums.asp.net/t/1045923.aspx

using System.Threading;

string userName = Thread.CurrentPrincipal.Identity.Name;

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Alan ";0)

shirleyz8821

ASKER

Thanks Alan, tried your methods still unable to get windos ID, is it because the IIS configuration: Anonymous access: Enabled
asp.net impersonation:Disabled
Forms Authentication:Enabled?

ASKER CERTIFIED SOLUTION

Alan Warren

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