/// <summary>
/// Check that data is valid.
/// </summary>
/// <param name="user">The user.</param>
/// <param name="context">Web service request context.</param>
public static void CheckData(this WebUser user,
WebServiceContext context)
{
WebData data;
data = user;
data.CheckData();
user.UserName.CheckNotEmpty("UserName");
user.UserName.CheckLength(GetUserNameMaxLength(context));
user.UserName.CheckRegularExpression(Settings.Default.UserNameRegularExpression);
}