Enterprise Library Database Authorization Provider

大家都知道，微软企业库中的Security Application Block是把权限规则写在配置文件中的(app.config,web.config)，并没有提供存在数据库的实现形式。我去年就向企业库项目组的人建议在SAB中加入这一实现形式，遗憾的是，直到现在的3.1版本，还是没有实现这一功能。
还好Database Authorization Provider.rar
DbRulesManager.cs：

using System;
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using System.Data;
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using System.Data.Common;
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using System.Data.SqlClient;
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using System.Configuration;
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using System.Collections.Generic;
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using System.Security.Principal;
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using System.Web.Security;
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using Microsoft.Practices.ObjectBuilder;
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using Microsoft.Practices.EnterpriseLibrary.Security;
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//using Microsoft.Practices.EnterpriseLibrary.Security.Authorization;
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using Microsoft.Practices.EnterpriseLibrary.Security.Configuration;
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using Microsoft.Practices.EnterpriseLibrary.Data;
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using Microsoft.Practices.EnterpriseLibrary.Configuration;
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using System.Configuration.Provider;
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namespace Kreeg.EnterpriseLibrary.Security.Database.Authorization
19