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AuthenticationService::Authenticating Event

Occurs when user credentials are being validated.

Namespace:  System.Web.ApplicationServices
Assembly:  System.Web.Extensions (in System.Web.Extensions.dll)

public:
static  event EventHandler<AuthenticatingEventArgs^>^ Authenticating {
	void add (EventHandler<AuthenticatingEventArgs^>^ value);
	void remove (EventHandler<AuthenticatingEventArgs^>^ value);
}

The Authenticating event is raised when user credentials are being validated. Create an event handler for the Authenticating event to customize how user credentials are validated.

The following example shows how to bind an event handler for the Authenticating event in the Application_Start method of the Global.asax file.

No code example is currently available or this language may not be supported.

The following example shows an event handler for the Authenticating event in the Global.asax file. The event handler reads two authentication values from the CustomCredential property and passes them together with the user name and password to a custom authentication class named StudentAuthentication.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4, 3.5

Windows 7, Windows Vista SP1 or later, Windows XP SP3, 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.
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