使用Log4net把日志写入到SqlServer数据库

1、官网URL： http://logging.apache.org/log4net/

2、配置文件参照URL： http://logging.apache.org/log4net/release/config-examples.html

3、在Web.config中加入以下代码

　　3.1：在configSections中加入

<configSections>
    <!--Log4net的配置-->
    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net"/>
    
    <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
    <!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
  </configSections>

configSections