ASP.NET 4 Unleashed

Using the User Class

You can use the Page.User or the HttpContext.User property to retrieve information about the current user. The Page.User property exposes a Principal object that supports the following method:

• IsInRole— Enables you to check whether a user is a member of a particular role.

For example, when Windows authentication is enabled, you can use the IsInRole() method to check whether a user is a member of a particular Microsoft Windows group such as the BUILTIN\Administrators group:

if (User.IsInRole("BUILTIN\Administrators")){   // Do some Administrator only operation}

Note

If the Role Manager is enabled, you must configure the Role Manager to use the WindowsTokenRoleProvider before you can use the User.IsInRole() method with ...