log4net

<?xml version="1.0" encoding="utf-8" ?>
<log4net>
  <!--<appender name="RollingFileAppender" type="log4net.Appender.RollingFileAppender" >--><!--指定输入到文本-->
  <appender name="RollingFileAppender" type="log4net.Appender.ADONetAppender" ><!--指定输入到数据库-->
    <!--定义数据库配置-->
    <bufferSize value="1" /><!--bufferSize表示是记录10 条到缓冲区，满10条后再写入SQL server,测试时将其改为1，生产环境建议100-->
    <connectionType value="System.Data.SqlClient.SqlConnection, System.Data, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
    <connectionString value="DATABASE=SimpleTaskSystemDb;SERVER=.;UID=sa;PWD=123456;Connect Timeout=15;" />
    <commandText value="INSERT INTO ErrorLog ([dtDate],[sThread],[sLevel],[sLogger],[sMessage],[sException]) VALUES (@log_date, @thread, @log_level, @logger, @message, @exception)" />
    <!--定义各个参数-->
    <parameter>
      <parameterName value="@log_date" />
      <dbType value="DateTime" />
      <layout type="log4net.Layout.RawTimeStampLayout" />
    </parameter>
    <parameter>
      <parameterName value="@thread" />
      <dbType value="String" />
      <size value="100" />
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%t" />
      </layout>
    </parameter>
    <parameter>
      <parameterName value="@log_level" />
      <dbType value="String" />
      <size value="200" />
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%p" />
      </layout>
    </parameter>
    <parameter>
      <parameterName value="@logger" />
      <dbType value="String" />
      <size value="500" />
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%logger" />
      </layout>
    </parameter>
    <parameter>
      <parameterName value="@message" />
      <dbType value="String" />
      <size value="3000" />
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%m" />
      </layout>
    </parameter>
    <parameter>
      <parameterName value="@exception" />
      <dbType value="String" />
      <size value="4000" />
      <layout type="log4net.Layout.ExceptionLayout" />
    </parameter>
     
    <!--定义文件存放位置-->
    <file value="Logs/Logs.txt" />
    <appendToFile value="true" />
    <rollingStyle value="Size" />
    <maxSizeRollBackups value="10" />
    <maximumFileSize value="10000KB" />
    <staticLogFileName value="true" />
    <layout type="log4net.Layout.PatternLayout">
      <conversionPattern value="%-5level %date [%-5.5thread] %-40.40logger - %message%newline" />
    </layout>
  </appender>
  <root>
    <appender-ref ref="RollingFileAppender" />
    <level value="DEBUG" />
  </root>
  <logger name="NHibernate">
    <level value="WARN" />
  </logger>
</log4net>