<?xml version="1.0" encoding="utf-8"?>
<configuration>
    <configSections>
        <section name="enterpriseLibrary.ConfigurationSource"
                 type="Microsoft.Practices.EnterpriseLibrary.Common.Configuration.ConfigurationSourc
eSection, Microsoft.Practices.EnterpriseLibrary.Common, Version=2.0.0.0,
Culture=neutral, PublicKeyToken=null" />
    </configSections>
    <enterpriseLibrary.ConfigurationSource selectedSource="Sql Configuration
Source">
        <sources>
            <add name="Sql Configuration Source" t=""
                ype="Microsoft.Practices.EnterpriseLibrary.SqlConfigurationSource.SqlConfigurationS
ource, Microsoft.Practices.EnterpriseLibrary.SqlConfigurationSource,
Version=2.0.0.0, Culture=neutral, PublicKeyToken=null"
                connectionString="Password=19811218;Persist Security
Info=True;User ID=sa;Initial Catalog=Northwind;Data Source=RJ-097"
                getStoredProcedure="EntLib_GetConfig"
                setStoredProcedure="EntLib_SetConfig"
                refreshStoredProcedure="UpdateSectionDate"
                removeStoredProcedure="EntLib_RemoveSection" />
            <add name="System Configuration Source"
                 type="Microsoft.Practices.EnterpriseLibrary.Common.Configuration.SystemConfiguratio
nSource, Microsoft.Practices.EnterpriseLibrary.Common, Version=2.0.0.0,
Culture=neutral, PublicKeyToken=null" />
        </sources>
    </enterpriseLibrary.ConfigurationSource>
</configuration>

class Program
...{
    static void Main(string[] args)
    ...{
        LogEntry log = new LogEntry();
        log.Message = "This is a test!";
        Logger.Write(log);
    }
}