The LEAD UserService provides minimal interaction with the web service user database. Its purpose is to query for the status of a user account or to get information about a user account.

User Service Online SDK Documentation
ASP.NET Tutorial
Windows Forms Tutorial

The following operations are supported. For a formal definition, please review the Service Description.

• GetUserInfo
  Returns a data set that contains all information about a given user.
• IsUserValid
  Checks the user database whether the given username/password combination is a valid user account.