Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

IPrincipal Interface

System.Security.Principal Namespace

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FAQ

Extended IsInRole(string,string, ...) or IsInRole(csvString)

It is often needed to check if a user is in more than one role to grant access to a feature. $0It would be nice to have a new version of this method accepting a comma separated list of roles, of a string list of roles. The method would return true if the user is in one of these roles.$0 $0$0 $0 $0Better, it would be nice to have a built in parser for simple combination: IsInRole("((role1 && role2) || role3 && !role4)")$0 $0$0 $0

History

6/10/2011
Softlion

Response to suggestion

I had some immediate success with the built-in groups, for example
    HttpContext.Current.User.IsInRole(@"BUILTIN\Administrators")

There is a real gotcha with local groups when you add a new user. You really have to log out and log back in again before IsInRole will return true.

Once this was done I had success with local groups on my development PC using the format
    IsInRole("MyPCName\MyLocalGroupName")
and also
   IsInRole("MyLocalGroupName")

History

3/22/2011
Mike Wiese

Suggestion

It would be very helpful if this documentation included more information on what the role string needs to be, what typical role names are in Windows, etc.

History

12/2/2010
Bradley.Ward