Microsoft® Visual Basic® .NET Programmer's Cookbook

Set Authentication Credentials for a Web Service

Problem

You want a Web service client to submit logon credentials for IIS authentication.

Solution

Use the Credentials property of the proxy class. You can create a new NetworkCredential object or use the CredentialCache to retrieve the credentials for the current user.

Discussion

Web services, like Web pages, can be used in conjunction with IIS authentication. All you need to do is place your Web services in a virtual directory that restricts anonymous access.

Unlike Web pages, Web services have no built-in method for retrieving authentication information from the client because Web services are executed by other applications, not directly by the user. Thus, the application that’s interacting with the ...