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

;  int passwordFormat;
            string passwdFromDB;
            int status;
            int failedPasswordAttemptCount;
            int failedPasswordAnswerAttemptCount;
            bool isApproved;
            DateTime lastLoginDate, lastActivityDate;

            GetPasswordWithFormat(username, false, out status, out passwdFromDB, out passwordFormat, out salt, out failedPasswordAttemptCount,
                                  out failedPasswordAnswerAttemptCount, out isApproved, out lastLoginDate, out lastActivityDate);
            if (status != 0)
            {
                if (IsStatusDueToBadPassword(status))
                {
                    throw new MembershipPasswordException(GetExceptionText(status));
                }
                else
                {
                    throw new ProviderException(GetExceptionText(status));
                }
            }

            string encodedPasswordAnswer;
            if( passwordAnswer != null )
            {
                passwordAnswer = passwordAnswer.Trim();
            }
            if (!string.IsNullOrEmpty(passwordAnswer))
                encodedPasswordAnswer = EncodePassword(passwordAnswer.ToLower(CultureInfo.InvariantCulture), passwordFormat,