public override void Initialize(string name, NameValueCollection config)
        {
            if (config == null)
            {
                throw new ArgumentNullException("config");
            }
            if (String.IsNullOrEmpty(name))
            {
                name = "SQLiteMembershipProvider";
            }
            if (string.IsNullOrEmpty(config["description"]))
            {
                config.Remove("description");
                config.Add("description", SM.GetString(SM.MembershipSqlProvider_description));
            }
            base.Initialize(name, config);

            _schemaVersionCheck = 0;

            _enablePasswordRetrieval              = SU.GetBooleanValue(config, "enablePasswordRetrieval", false);
            _enablePasswordReset                  = SU.GetBooleanValue(config, "enablePasswordReset", true);
            _requiresQuestionAndAnswer            = SU.GetBooleanValue(config, "requiresQuestionAndAnswer", true);
            _requiresUniqueEmail                  = SU.GetBooleanValue(config, "requiresUniqueEmail", true);
            _maxInvalidPasswordAttempts           = SU.GetIntValue(config, "maxInvalidPasswordAttempts", 5, false, 0);
            _passwordAttemptWindow                = SU.GetIntValue(config, "passwordAttemptWindow", 10, false, 0);
            _minRequiredPasswordLength            = SU.GetIntValue(config, "minRequiredPasswordLength", 7, false, 128);
            _minRequiredNonalphanumericCharacters = SU.GetIntValue(config, "minRequiredNonalphanumericCharacters", 1, true, 128);

            _passwordStrengthRegularExpression = config["passwordStrengthRegularExpression"];
            if (_passwordStrengthRegularExpression != null)
            {
                _passwordStrengthRegularExpression = _passwordStrengthRegularExpression.Trim();
                if (_passwordStrengthRegularExpression.Length != 0)
                {
                    try
                    {
                        Regex regex = new Regex(_passwordStrengthRegularExpression);
                    }
                    catch (ArgumentException e)
                    {
                        throw new ProviderException(e.Message, e);
                    }
                }
            }
            else
            {
                _passwordStrengthRegularExpression = string.Empty;
            }
            if (_minRequiredNonalphanumericCharacters > _minRequiredPasswordLength)
            {
                throw new HttpException(SM.GetString(SM.MinRequiredNonalphanumericCharacters_can_not_be_more_than_MinRequiredPasswordLength));
            }

            _commandTimeout  = SU.GetIntValue(config, "commandTimeout", 30, true, 0);
            _ApplicationName = config["applicationName"];
            if (string.IsNullOrEmpty(_ApplicationName))
            {
                _ApplicationName = SU.GetDefaultAppName();
            }

            if (_ApplicationName.Length > 256)
            {
                throw new ProviderException(SM.GetString(SM.Provider_application_name_too_long));
            }

            string strTemp = config["passwordFormat"];

            if (strTemp == null)
            {
                strTemp = "Hashed";
            }

            switch (strTemp)
            {
            case "Clear":
                _passwordFormat = MembershipPasswordFormat.Clear;
                break;

            case "Encrypted":
                _passwordFormat = MembershipPasswordFormat.Encrypted;
                break;

            case "Hashed":
                _passwordFormat = MembershipPasswordFormat.Hashed;
                break;

            default:
                throw new ProviderException(SM.GetString(SM.Provider_bad_password_format));
            }

            if (PasswordFormat == MembershipPasswordFormat.Hashed && EnablePasswordRetrieval)
            {
                throw new ProviderException(SM.GetString(SM.Provider_can_not_retrieve_hashed_password));
            }
            //if (_PasswordFormat == MembershipPasswordFormat.Encrypted && MachineKeySection.IsDecryptionKeyAutogenerated)
            //    throw new ProviderException(SM.GetString(SM.Can_not_use_encrypted_passwords_with_autogen_keys));

            string temp = config["connectionStringName"];

            if (temp == null || temp.Length < 1)
            {
                throw new ProviderException(SM.GetString(SM.Connection_name_not_specified));
            }
            _sqlConnectionString = SQLiteConnectionHelper.GetConnectionString(temp, true, true);
            if (_sqlConnectionString == null || _sqlConnectionString.Length < 1)
            {
                throw new ProviderException(SM.GetString(SM.Connection_string_not_found, temp));
            }

            config.Remove("connectionStringName");
            config.Remove("enablePasswordRetrieval");
            config.Remove("enablePasswordReset");
            config.Remove("requiresQuestionAndAnswer");
            config.Remove("applicationName");
            config.Remove("requiresUniqueEmail");
            config.Remove("maxInvalidPasswordAttempts");
            config.Remove("passwordAttemptWindow");
            config.Remove("commandTimeout");
            config.Remove("passwordFormat");
            config.Remove("name");
            config.Remove("minRequiredPasswordLength");
            config.Remove("minRequiredNonalphanumericCharacters");
            config.Remove("passwordStrengthRegularExpression");
            if (config.Count > 0)
            {
                string attribUnrecognized = config.GetKey(0);
                if (!String.IsNullOrEmpty(attribUnrecognized))
                {
                    throw new ProviderException(SM.GetString(SM.Provider_unrecognized_attribute, attribUnrecognized));
                }
            }
        }