The Username Availability Validator is an ASP.NET server control which provides asynchronous indication of username availability, for use in new user registration functionality.
Read Control Documentation
- Choice of automatic validation of the username’s availability as the user types it or validation
- Based on BaseValidator, so Page.IsValid and the ValidationSummary control function correctly.
- Flexible choice of validating against either the ASP.NET MembershipProvider or any custom authentication store, via user customized web service or page method.