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ClientFormsAuthenticationMembershipProvider.UserValidated Event

Occurs when the user is validated.

Namespace:  System.Web.ClientServices.Providers
Assembly:  System.Web.Extensions (in System.Web.Extensions.dll)

public event EventHandler<UserValidatedEventArgs> UserValidated

This event occurs only after the user is successfully validated. You can use this event to update your application to reflect the current user. For example, you can use the UserValidatedEventArgs.UserName property to display the user name in your application user interface (UI).

You can silently revalidate users by calling the ClientFormsIdentity.RevalidateUser method. Therefore, you should avoid using the UserValidated event to display intrusive UI. For example, you should not use the UserValidated event to display a welcome dialog box.

The following example code demonstrates how to use this event to display the user name in the title bar of a form.


private ClientFormsAuthenticationMembershipProvider formsMembershipProvider =
    (ClientFormsAuthenticationMembershipProvider)
    System.Web.Security.Membership.Provider;
private String appName = "ClientAppServicesDemo";

private void AttachUserValidatedEventHandler()
{
    formsMembershipProvider.UserValidated += 
        new EventHandler<UserValidatedEventArgs>(Form1_UserValidated);
}

private void Form1_UserValidated(object sender, UserValidatedEventArgs e)
{
    // Set the form's title bar to the application name and the user name.
    this.Text = String.Format("{0} ({1})", appName, e.UserName);
}


.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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