自定义asp.net2.0权限提供程序SqlMembershipProvider

; _EnablePasswordReset;
        private bool      _RequiresQuestionAndAnswer;
        private string    _AppName;
        private bool      _RequiresUniqueEmail;
        private int       _MaxInvalidPasswordAttempts;
        private int       _CommandTimeout;
        private int       _PasswordAttemptWindow;
        private int       _MinRequiredPasswordLength;
        private int       _MinRequiredNonalphanumericCharacters;
        private string    _PasswordStrengthRegularExpression;
        private int       _SchemaVersionCheck;
        private MembershipPasswordFormat _PasswordFormat;

        private const int      PASSWORD_SIZE  = 14;

        //////////////////////////////////////////////////////////////////////
        //////////////////////////////////////////////////////////////////////
        //////////////////////////////////////////////////////////////////////

        public override void Initialize(string name, NameValueCollection config)
        {
            // Remove CAS from sample: HttpRuntime.CheckAspNetHostingPermission (AspNetHostingPermissionLevel.Low, SR.Feature_not_supported_at_this_level);
            if (config == null)
                throw new ArgumentNullException("config");
            if (String.IsNullOrEmpty(name))
                name = "SqlMembershipProvider";
            if (string.IsNullOrEmpty(config["description"])) {
                config.Remove("description");
                config.Add("description", SR.GetString(SR.MembershipSqlProvider_description));
            }
     &nbs